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"source": "https://bsky.app/profile/vitobotta.com/post/3mim6yufd2k2m", "content": "", "creation_timestamp": "2026-04-03T16:59:32.773377Z"}, {"uuid": "fb23a223-2c02-4b02-81f6-ca88096e3286", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-21533", "type": "seen", "source": "https://t.me/kasperskyb2b/2078", "content": "\ud83d\udc98 \u0424\u0435\u0432\u0440\u0430\u043b\u044c\u0441\u043a\u0438\u0439 Patch Tuesday: \u0428\u0415\u0421\u0422\u042c \ud83d\udd25 \u0437\u0438\u0440\u043e\u0434\u0435\u0435\u0432 \u0432 \u00ab\u0433\u043e\u0440\u044f\u0447\u0438\u0439\u00bb \u0441\u0435\u0437\u043e\u043d\n\nMicrosoft \u0434\u0430\u0440\u0438\u0442 \u0432\u0441\u0435\u043c \u0432\u043b\u044e\u0431\u043b\u0451\u043d\u043d\u044b\u043c \u043f\u0430\u043a\u0435\u0442 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0439, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043f\u043e \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u0443 \u043f\u0430\u0442\u0447\u0435\u0439 \u0432\u044b\u0433\u043b\u044f\u0434\u0438\u0442 \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u043d\u043e, \u043d\u043e \u0432\u043f\u0435\u0447\u0430\u0442\u043b\u044f\u0435\u0442 \u0447\u0438\u0441\u043b\u043e\u043c \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0438\u0440\u0443\u0435\u043c\u044b\u0445 \u0437\u0438\u0440\u043e\u0434\u0435\u0435\u0432. \u0412\u0441\u0435\u0433\u043e \u0437\u0430\u043a\u0440\u044b\u0442\u043e 58 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439 (62 \u0441 \u0443\u0447\u0435\u0442\u043e\u043c \u0441\u0442\u043e\u0440\u043e\u043d\u043d\u0438\u0445 \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u043e\u0432), \u0438\u0437 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 5 \u043a\u0440\u0438\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0445 (3 EoP \u0438 2 \u0443\u0442\u0435\u0447\u043a\u0430 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u0438). \u0412\u0441\u0435\u0433\u043e 25 \u0434\u0435\u0444\u0435\u043a\u0442\u043e\u0432 \u043f\u0440\u0438\u0432\u043e\u0434\u044f\u0442 \u043a \u043f\u043e\u0432\u044b\u0448\u0435\u043d\u0438\u044e \u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u0439, 12 \u2014 \u043a \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044e \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u043b\u044c\u043d\u043e\u0433\u043e \u043a\u043e\u0434\u0430, 7 \u2014 \u0441\u043f\u0443\u0444\u0438\u043d\u0433\u0443, 6 \u2014 \u0440\u0430\u0437\u0433\u043b\u0430\u0448\u0435\u043d\u0438\u044e \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u0438, 5 \u2014 \u043a \u043e\u0431\u0445\u043e\u0434\u0443 \u0444\u0443\u043d\u043a\u0446\u0438\u0439 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 \u0438 3 \u2014 \u043a \u043e\u0442\u043a\u0430\u0437\u0443 \u0432 \u043e\u0431\u0441\u043b\u0443\u0436\u0438\u0432\u0430\u043d\u0438\u0438. \n\n\u0426\u0435\u043b\u044b\u0445 6 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439 \u0430\u043a\u0442\u0438\u0432\u043d\u043e \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0438\u0440\u0443\u044e\u0442\u0441\u044f \u0437\u043b\u043e\u0443\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u0438\u043a\u0430\u043c\u0438, \u0442\u0440\u0438 \u0438\u0437 \u043d\u0438\u0445 Microsoft  \u043e\u0442\u043c\u0435\u0447\u0430\u0435\u0442 \u043a\u0430\u043a \u0440\u0430\u0437\u0433\u043b\u0430\u0448\u0451\u043d\u043d\u044b\u0435 \u0435\u0449\u0451 \u0434\u043e \u0432\u044b\u0445\u043e\u0434\u0430 \u043f\u0430\u0442\u0447\u0435\u0439, \u043d\u043e \u043d\u0435\u043f\u043e\u043d\u044f\u0442\u043d\u043e, \u0433\u0434\u0435 \u044d\u0442\u043e \u0440\u0430\u0437\u0433\u043b\u0430\u0448\u0435\u043d\u0438\u0435 \u043f\u0440\u043e\u0438\u0441\u0445\u043e\u0434\u0438\u043b\u043e. \u0412 \u043b\u044e\u0431\u043e\u043c \u0441\u043b\u0443\u0447\u0430\u0435, \u0441 \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u043e\u0439 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0439 \u043b\u0443\u0447\u0448\u0435 \u043d\u0435 \u0442\u044f\u043d\u0443\u0442\u044c.\n\n\ud83d\udd25 \u0410\u043a\u0442\u0438\u0432\u043d\u0430\u044f \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u044f \n\n\ud83d\udfe2 CVE-2026-21510 (CVSS 8.8) \u2014 \u043e\u0431\u0445\u043e\u0434 \u0444\u0443\u043d\u043a\u0446\u0438\u0439 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 Windows Shell. \u0410\u0442\u0430\u043a\u0443\u044e\u0449\u0435\u043c\u0443 \u0434\u043e\u0441\u0442\u0430\u0442\u043e\u0447\u043d\u043e \u0443\u0431\u0435\u0434\u0438\u0442\u044c \u0436\u0435\u0440\u0442\u0432\u0443 \u043e\u0442\u043a\u0440\u044b\u0442\u044c \u0432\u0440\u0435\u0434\u043e\u043d\u043e\u0441\u043d\u044b\u0439 \u044f\u0440\u043b\u044b\u043a \u0438\u043b\u0438 \u0441\u0441\u044b\u043b\u043a\u0443, \u0447\u0442\u043e\u0431\u044b \u043e\u0431\u043e\u0439\u0442\u0438 SmartScreen \u0438 Mark of the Web. \u0417\u0430 \u0440\u0430\u0437\u0433\u043b\u0430\u0448\u0435\u043d\u0438\u0435 \u0431\u043b\u0430\u0433\u043e\u0434\u0430\u0440\u044f\u0442 \u0432\u043d\u0443\u0442\u0440\u0435\u043d\u043d\u0438\u0435 \u043a\u043e\u043c\u0430\u043d\u0434\u044b, \u0430\u043d\u043e\u043d\u0438\u043c\u043d\u043e\u0433\u043e \u0438\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u044f \u0438 Google TAG, \u043f\u043e\u044d\u0442\u043e\u043c\u0443 \u0432\u0435\u0440\u043e\u044f\u0442\u043d\u043e \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u044f \u043e\u0442\u043d\u043e\u0441\u0438\u0442\u0435\u043b\u044c\u043d\u043e \u043c\u0430\u0441\u0448\u0442\u0430\u0431\u043d\u0430.\n\n\ud83d\udfe2 CVE-2026-21513 (CVSS 8.8) \u2014 \u043e\u0431\u0445\u043e\u0434 \u0444\u0443\u043d\u043a\u0446\u0438\u0439 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 \u0432 MSHTML (\u043f\u0440\u0438\u0432\u0435\u0442, Internet Explorer). \u0414\u0430, IE \u043c\u0451\u0440\u0442\u0432, \u043d\u043e \u0435\u0433\u043e \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u044b \u0432\u0441\u0451 \u0435\u0449\u0435 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0442 \u0437\u043b\u043e\u0443\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u0438\u043a\u0430\u043c \u0438\u0441\u043f\u043e\u043b\u043d\u044f\u0442\u044c \u043a\u043e\u0434. \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0440\u0430\u0437\u0433\u043b\u0430\u0448\u0435\u043d\u0430 \u0442\u0430\u043a\u043e\u0439 \u0436\u0435 \u0441\u0431\u043e\u0440\u043d\u043e\u0439 \u043a\u043e\u043c\u0430\u043d\u0434\u043e\u0439 \u0438\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u0435\u0439.\n\n\ud83d\udfe2 CVE-2026-21514 (CVSS 7.8) \u2014 \u043e\u0431\u0445\u043e\u0434 \u0437\u0430\u0449\u0438\u0442\u044b \u0432 Microsoft Word. \u041f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0437\u0430\u043f\u0443\u0441\u0442\u0438\u0442\u044c \u043e\u043f\u0430\u0441\u043d\u044b\u0435 COM/OLE \u043e\u0431\u044a\u0435\u043a\u0442\u044b. \u0425\u043e\u0440\u043e\u0448\u0430\u044f \u043d\u043e\u0432\u043e\u0441\u0442\u044c: \u0447\u0435\u0440\u0435\u0437 \u043f\u0430\u043d\u0435\u043b\u044c \u043f\u0440\u0435\u0434\u0432\u0430\u0440\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0441\u043c\u043e\u0442\u0440\u0430  \u0430\u0442\u0430\u043a\u0430 \u043d\u0435 \u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442. \u0417\u0430 \u043e\u0431\u043d\u0430\u0440\u0443\u0436\u0435\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u0431\u043b\u0430\u0433\u043e\u0434\u0430\u0440\u044f\u0442 \u0432\u0441\u0451 \u0442\u0435\u0445 \u0436\u0435, \u043d\u043e \u043d\u0435\u043f\u043e\u043d\u044f\u0442\u043d\u043e, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043b\u0438\u0441\u044c \u043b\u0438 \u044d\u0442\u0438 \u0442\u0440\u0438 \u0434\u0435\u0444\u0435\u043a\u0442\u0430 \u0432 \u043e\u0434\u043d\u043e\u0439 \u0430\u0442\u0430\u043a\u0435, \u0438\u043b\u0438 \u0440\u0430\u0437\u043d\u044b\u0445.\n\n\ud83d\udfe2 CVE-2026-21519 (CVSS 7.8) \u2014 EoP \u0432 Desktop Window Manager. \u0412\u0442\u043e\u0440\u043e\u0439 \u043c\u0435\u0441\u044f\u0446 \u043f\u043e\u0434\u0440\u044f\u0434 \u0432 DWM \u043d\u0430\u0445\u043e\u0434\u044f\u0442 \u0434\u044b\u0440\u0443, \u043a\u043e\u0442\u043e\u0440\u0443\u044e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0442 \u0445\u0430\u043a\u0435\u0440\u044b \u0434\u043b\u044f \u043f\u043e\u043b\u0443\u0447\u0435\u043d\u0438\u044f \u043f\u0440\u0430\u0432 SYSTEM. \u0412\u043e\u0437\u043c\u043e\u0436\u043d\u043e, \u043f\u0440\u043e\u0448\u043b\u044b\u0439 \u043f\u0430\u0442\u0447 \u0431\u044b\u043b \u043d\u0435\u043f\u043e\u043b\u043d\u044b\u043c.\n\n\ud83d\udfe2 CVE-2026-21533 (CVSS 7.8) \u2014 EoP \u0432 \u0441\u043b\u0443\u0436\u0431\u0435 Remote Desktop Services. \u041d\u0435 \u0434\u0430\u0439\u0442\u0435 \u0441\u043b\u043e\u0432\u0443 Remote \u0432\u0430\u0441 \u043e\u0431\u043c\u0430\u043d\u0443\u0442\u044c \u2014 \u044d\u0442\u043e \u043b\u043e\u043a\u0430\u043b\u044c\u043d\u043e\u0435 \u043f\u043e\u0432\u044b\u0448\u0435\u043d\u0438\u0435 \u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u0439 \u0434\u043e SYSTEM. \n\n\ud83d\udfe2 CVE-2026-21525 (CVSS 6.2) \u2014 \u043e\u0442\u043a\u0430\u0437 \u0432 \u043e\u0431\u0441\u043b\u0443\u0436\u0438\u0432\u0430\u043d\u0438\u0438 \u0432 \u0434\u0438\u0441\u043f\u0435\u0442\u0447\u0435\u0440\u0435 \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0439 \u0443\u0434\u0430\u043b\u0435\u043d\u043d\u043e\u0433\u043e \u0434\u043e\u0441\u0442\u0443\u043f\u0430. \u0420\u0435\u0434\u043a\u0438\u0439 \u0441\u043b\u0443\u0447\u0430\u0439, \u043a\u043e\u0433\u0434\u0430 \u0432 \u0434\u0438\u043a\u043e\u0439 \u043f\u0440\u0438\u0440\u043e\u0434\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0442 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0434\u043b\u044f DoS  \u0447\u0435\u0440\u0435\u0437 \u0440\u0430\u0437\u044b\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435 \u043d\u0443\u043b\u0435\u0432\u043e\u0433\u043e \u0443\u043a\u0430\u0437\u0430\u0442\u0435\u043b\u044f.\n\n\u2601\ufe0f  \u041e\u0431\u043b\u0430\u043a\u0430 \u0438 \u0418\u0418\n\u041f\u0440\u0438\u043c\u0435\u0447\u0430\u0442\u0435\u043b\u044c\u043d\u043e, \u0447\u0442\u043e \u0432\u0441\u0435 \u043a\u0440\u0438\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u0444\u0435\u0432\u0440\u0430\u043b\u044f \u043e\u0442\u043d\u043e\u0441\u044f\u0442\u0441\u044f \u043a Azure. \u041f\u043e\u0447\u0442\u0438 \u0432\u0441\u0435 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u044b Microsoft \u043d\u0430 \u0441\u0432\u043e\u0435\u0439 \u0441\u0442\u043e\u0440\u043e\u043d\u0435 \u0438 \u043d\u0435 \u0442\u0440\u0435\u0431\u0443\u044e\u0442 \u0434\u0435\u0439\u0441\u0442\u0432\u0438\u0439 \u0441\u043e \u0441\u0442\u043e\u0440\u043e\u043d\u044b \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f, \u0438\u0441\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0435 \u2014 CVE-2026-21522, \u043b\u043e\u043a\u0430\u043b\u044c\u043d\u043e\u0435 \u043f\u043e\u0432\u044b\u0448\u0435\u043d\u0438\u0435 \u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u0439 \u0432 ACI Confidential Containers.\n\n\u0422\u0430\u043a\u0436\u0435 Microsoft \u043f\u0440\u043e\u0434\u043e\u043b\u0436\u0430\u0435\u0442 \u043b\u0430\u0442\u0430\u0442\u044c \u0434\u044b\u0440\u044b \u0432 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0445 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0441 \u0418\u0418. \u0417\u0430\u043a\u0440\u044b\u0442\u043e \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e RCE \u0432 GitHub Copilot \u0438 Visual Studio (\u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, CVE-2026-21523 \u0438 CVE-2026-21516), \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0442 \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u043a\u043e\u0434 \u043f\u0440\u0438 \u0440\u0430\u0431\u043e\u0442\u0435 \u0441 IDE. \u0412\u043f\u0440\u043e\u0447\u0435\u043c, \u043e\u043d\u0438 \u043e\u0442\u043d\u043e\u0441\u044f\u0442\u0441\u044f \u043a \u043a\u043b\u0430\u0441\u0441\u0438\u0447\u0435\u0441\u043a\u0438\u043c \u0442\u0438\u043f\u0430\u043c \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439, \u044d\u0442\u043e \u043d\u0435 \u043f\u0440\u043e\u043c\u043f\u0442-\u0438\u043d\u044a\u0435\u043a\u0446\u0438\u0438.\n\n\ud83d\udd10 Secure Boot\n\u0421 \u044d\u0442\u0438\u043c \u0430\u043f\u0434\u0435\u0439\u0442\u043e\u043c \u0430\u043a\u0442\u0438\u0432\u0438\u0437\u0438\u0440\u0443\u0435\u0442\u0441\u044f \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 \u0441\u0435\u0440\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0432 Secure Boot. \u0421\u0442\u0430\u0440\u044b\u0435 \u0441\u0435\u0440\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u044b 2011 \u0433\u043e\u0434\u0430 \u0438\u0441\u0442\u0435\u043a\u0430\u044e\u0442 \u0432 \u0438\u044e\u043d\u0435 2026, \u043f\u043e\u044d\u0442\u043e\u043c\u0443 Windows \u043d\u0430\u0447\u0438\u043d\u0430\u0435\u0442 \u043e\u0431\u043d\u043e\u0432\u043b\u044f\u0442\u044c \u0438\u0445 \u0442\u0430\u043c, \u0433\u0434\u0435 \u044d\u0442\u043e \u043d\u0435 \u0441\u043e\u0437\u0434\u0430\u0451\u0442 \u0440\u0438\u0441\u043a\u0430 \u00ab\u043e\u043a\u0438\u0440\u043f\u0438\u0447\u0438\u0442\u044c\u00bb \u043a\u043e\u043c\u043f\u044c\u044e\u0442\u0435\u0440. \u0412 \u0440\u0430\u043c\u043a\u0430\u0445 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f Microsoft \u0438\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u0446\u0438\u0440\u0443\u0435\u0442 \u043c\u0430\u0448\u0438\u043d\u044b, \u0433\u0434\u0435 \u043f\u043e \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u0438\u043c \u043f\u0440\u0438\u0437\u043d\u0430\u043a\u0430\u043c \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0430 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f \u0441\u0447\u0438\u0442\u0430\u0435\u0442\u0441\u044f \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0439, \u0438 \u0442\u043e\u0433\u0434\u0430 \u043f\u0440\u0438\u0441\u044b\u043b\u0430\u0435\u0442 \u0441\u0430\u043c\u0438 \u0441\u0435\u0440\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u044b. \n\n#Microsoft #\u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 @\u041f2\u0422", "creation_timestamp": "2026-02-11T07:10:04.000000Z"}, {"uuid": "ccaa38c3-672c-4ca1-bb4e-98fd25f14d23", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-21537", "type": "seen", "source": "https://www.cert.dk/news/2026-04-20/Tre-0-dagssaarbarheder-i-Microsoft-Defender-udnyttes-aktivt", "content": "", "creation_timestamp": "2026-04-20T01:43:35.000000Z"}, {"uuid": "1c78b8fa-0f6f-47da-a1dd-69ee2f4a74d0", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-21533", "type": "seen", "source": "https://t.me/true_secator/7897", "content": "\u0412 \u0440\u0430\u043c\u043a\u0430\u0445 \u0444\u0435\u0432\u0440\u0430\u043b\u044c\u0441\u043a\u043e\u0433\u043e PatchTuesday \u0432 \u044d\u0442\u043e\u043c \u043c\u0435\u0441\u044f\u0446\u0435 Microsoft \u0443\u0441\u0442\u0440\u0430\u043d\u0438\u043b\u0430 58 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439, \u0432 \u0442\u043e\u043c \u0447\u0438\u0441\u043b\u0435 6 \u0430\u043a\u0442\u0438\u0432\u043d\u043e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c\u044b\u0445 \u0438 \u0442\u0440\u0435\u0445 \u043f\u0443\u0431\u043b\u0438\u0447\u043d\u043e \u0440\u0430\u0441\u043a\u0440\u044b\u0442\u044b\u0445 0-day: CVE-2026-21510, CVE-2026-21514, CVE-2026-21513, CVE-2026-21519, CVE-2026-21533 \u0438 CVE-2026-21525.\n\n\u0412 \u043d\u043e\u0432\u043e\u043c \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0438 \u0442\u0430\u043a\u0436\u0435 \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u044b \u043f\u044f\u0442\u044c \u043a\u0440\u0438\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439, \u0442\u0440\u0438 \u0438\u0437 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0441\u0432\u044f\u0437\u0430\u043d\u044b \u0441 EoP, \u0430 \u0434\u0432\u0435 - \u0441 \u0440\u0430\u0441\u043a\u0440\u044b\u0442\u0438\u0435\u043c \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u0438. \u0412 \u0446\u0435\u043b\u043e\u043c \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u0435 \u043f\u043e \u043a\u0430\u0442\u0435\u0433\u043e\u0440\u0438\u044f\u043c \u0432\u044b\u0433\u043b\u044f\u0434\u0438\u0442 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u043c \u043e\u0431\u0440\u0430\u0437\u043e\u043c: 25 - EoP, 5 - \u043e\u0431\u0445\u043e\u0434 \u0444\u0443\u043d\u043a\u0446\u0438\u0438 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438, 12 - RCE, 6 - \u0440\u0430\u0441\u043a\u0440\u044b\u0442\u0438\u0435 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u0438, 3 - DoS \u0438 7 - \u043f\u043e\u0434\u043c\u0435\u043d\u0430 \u0434\u0430\u043d\u043d\u044b\u0445.\n\n\u041a\u0440\u043e\u043c\u0435 \u0442\u043e\u0433\u043e, 3 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u044b \u0432 Microsoft Edge, \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u044b \u0441\u0435\u0440\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u044b Secure Boot,\u00a0\u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0437\u0430\u043c\u0435\u043d\u044f\u0442 \u043e\u0440\u0438\u0433\u0438\u043d\u0430\u043b\u044c\u043d\u044b\u0435 \u043e\u0442 2011 \u0433\u043e\u0434\u0430, \u0441\u0440\u043e\u043a \u0434\u0435\u0439\u0441\u0442\u0432\u0438\u044f \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0438\u0441\u0442\u0435\u043a\u0430\u0435\u0442 \u0432 \u0438\u044e\u043d\u0435 2026 \u0433\u043e\u0434\u0430, \u0430 \u0442\u0430\u043a\u0436\u0435 \u0432\u044b\u043f\u0443\u0449\u0435\u043d\u044b \u0440\u0430\u0441\u0448\u0438\u0440\u0435\u043d\u043d\u044b\u0435 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 Windows 10.\n\n\u0421\u0440\u0435\u0434\u0438 \u043d\u0443\u043b\u0435\u0439 \u043d\u0430 \u044d\u0442\u043e\u0442 \u0440\u0430\u0437 \u043a\u0443\u0447\u043d\u043e:\n\n- CVE-2026-21510: \u043e\u0431\u0445\u043e\u0434 \u0437\u0430\u043f\u0440\u043e\u0441\u043e\u0432 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 Windows SmartScreen \u0438 Windows Shell.\n\n\u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u043e\u0431\u043e\u0439\u0442\u0438 \u0444\u0443\u043d\u043a\u0446\u0438\u044e \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 Windows \u0438 \u043c\u043e\u0436\u0435\u0442 \u0431\u044b\u0442\u044c \u0430\u043a\u0442\u0438\u0432\u0438\u0440\u043e\u0432\u0430\u043d\u0430 \u043f\u0440\u0438 \u043e\u0442\u043a\u0440\u044b\u0442\u0438\u0438 \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u0441\u043e\u0437\u0434\u0430\u043d\u043d\u043e\u0439 \u0441\u0441\u044b\u043b\u043a\u0438 \u0438\u043b\u0438 \u0444\u0430\u0439\u043b\u0430 \u044f\u0440\u043b\u044b\u043a\u0430. \u0412\u0435\u0440\u043e\u044f\u0442\u043d\u043e, \u043f\u0440\u0438\u0432\u043e\u0434\u0438\u0442 \u043a \u043e\u0431\u0445\u043e\u0434\u0443 Mark of the Web.\n\n\u0417\u043b\u043e\u0443\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u0438\u043a \u043c\u043e\u0436\u0435\u0442 \u043e\u0431\u043e\u0439\u0442\u0438 \u0437\u0430\u043f\u0440\u043e\u0441\u044b \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 Windows SmartScreen \u0438 Windows Shell, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044f \u043d\u0435\u043a\u043e\u0440\u0440\u0435\u043a\u0442\u043d\u0443\u044e \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0443 \u0432 \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u0430\u0445 Windows Shell, \u0447\u0442\u043e \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0442\u044c \u043a\u043e\u043d\u0442\u0435\u043d\u0442, \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u0438\u0440\u0443\u0435\u043c\u044b\u0439 \u0437\u043b\u043e\u0443\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u0438\u043a\u043e\u043c, \u0431\u0435\u0437 \u043f\u0440\u0435\u0434\u0443\u043f\u0440\u0435\u0436\u0434\u0435\u043d\u0438\u044f \u0438\u043b\u0438 \u0441\u043e\u0433\u043b\u0430\u0441\u0438\u044f \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f.\n\n\u041e\u0431\u043d\u0430\u0440\u0443\u0436\u0435\u043d\u0438\u0435 \u043f\u0440\u0438\u043f\u0438\u0441\u044b\u0432\u0430\u0435\u0442\u0441\u044f Microsoft MSTIC \u0438 MSRC, \u0433\u0440\u0443\u043f\u043f\u0435 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 Office, Google \u0438 \u0430\u043d\u043e\u043d\u0438\u043c\u043d\u043e\u043c\u0443 \u0438\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u044e, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0442\u0430\u043a\u0436\u0435 \u0440\u0430\u0441\u043a\u0440\u044b\u043b\u0438 \n CVE-2026-21513 \u0438 CVE-2026-21514.\n\n- CVE-2026-21513: \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0432 Internet Explorer \u0434\u043b\u044f \u043e\u0431\u0445\u043e\u0434\u0430 \u0441\u0440\u0435\u0434\u0441\u0442\u0432 \u0437\u0430\u0449\u0438\u0442\u044b \u0438 \u043f\u043e\u0442\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u043e\u0433\u043e \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u043a\u043e\u0434\u0430 \u0447\u0435\u0440\u0435\u0437 \u0432\u0440\u0435\u0434\u043e\u043d\u043e\u0441\u043d\u044b\u0435 HTML- \u0438\u043b\u0438 LNK-\u0444\u0430\u0439\u043b\u044b.\n\n\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0441\u0432\u044f\u0437\u0430\u043d\u0430 \u0441\u043e \u0441\u0431\u043e\u0435\u043c \u0432 \u043c\u0435\u0445\u0430\u043d\u0438\u0437\u043c\u0435 \u0437\u0430\u0449\u0438\u0442\u044b MSHTML Framework, \u043e\u0442\u043a\u0440\u044b\u0432\u0430\u044f \u043d\u0435\u0430\u0432\u0442\u043e\u0440\u0438\u0437\u043e\u0432\u0430\u043d\u043d\u043e\u043c\u0443 \u0437\u043b\u043e\u0443\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u0438\u043a\u0443 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u043e\u0431\u043e\u0439\u0442\u0438 \u0444\u0443\u043d\u043a\u0446\u0438\u044e \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 \u0432 \u0441\u0435\u0442\u0438. \u0414\u0430\u043d\u043d\u044b\u0435 \u043e \u0442\u043e\u043c, \u043a\u0430\u043a \u0438\u043c\u0435\u043d\u043d\u043e \u043e\u043d\u0430 \u0431\u044b\u043b\u0430 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0430 \u043d\u0435 \u0440\u0430\u0441\u043a\u0440\u044b\u0432\u0430\u044e\u0442\u0441\u044f.\n\n- CVE-2026-21514: \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0432 Microsoft Word, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f \u0437\u043b\u043e\u0443\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u0438\u043a\u0443 \u043e\u0431\u043e\u0439\u0442\u0438 \u043c\u0435\u0440\u044b \u0437\u0430\u0449\u0438\u0442\u044b OLE.\n\n\u0414\u043b\u044f \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438 \u0437\u043b\u043e\u0443\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u0438\u043a\u0443 \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e \u043e\u0442\u043f\u0440\u0430\u0432\u0438\u0442\u044c \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044e \u0432\u0440\u0435\u0434\u043e\u043d\u043e\u0441\u043d\u044b\u0439 \u0444\u0430\u0439\u043b Office \u0438 \u0443\u0431\u0435\u0434\u0438\u0442\u044c \u0435\u0433\u043e \u043e\u0442\u043a\u0440\u044b\u0442\u044c \u0435\u0433\u043e.\n\nMicrosoft \u0437\u0430\u044f\u0432\u043b\u044f\u0435\u0442, \u0447\u0442\u043e \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043d\u0435\u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u0432 \u043f\u0430\u043d\u0435\u043b\u0438 \u043f\u0440\u0435\u0434\u0432\u0430\u0440\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0441\u043c\u043e\u0442\u0440\u0430 Office. \u041f\u043e\u0441\u043a\u043e\u043b\u044c\u043a\u0443 \u043d\u0438\u043a\u0430\u043a\u0438\u0445 \u043f\u043e\u0434\u0440\u043e\u0431\u043d\u043e\u0441\u0442\u0435\u0439 \u043d\u0435 \u0431\u044b\u043b\u043e \u043f\u0440\u0438\u0432\u0435\u0434\u0435\u043d\u043e, \u043f\u0440\u0435\u0434\u043f\u043e\u043b\u0430\u0433\u0430\u0435\u0442\u0441\u044f, \u0447\u0442\u043e CVE-2026-21510, CVE-2026-21513 \u0438 CVE-2026-21514 \u043c\u043e\u0433\u043b\u0438 \u0431\u044b\u0442\u044c \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u044b \u0432 \u0440\u0430\u043c\u043a\u0430\u0445 \u043e\u0434\u043d\u043e\u0439 \u043a\u0430\u043c\u043f\u0430\u043d\u0438\u0438.\n\n- CVE-2026-21519: \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043f\u043e\u0432\u044b\u0448\u0435\u043d\u0438\u044f \u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u0439 \u0432 \u0434\u0438\u0441\u043f\u0435\u0442\u0447\u0435\u0440\u0435 \u043e\u043a\u043e\u043d \u0440\u0430\u0431\u043e\u0447\u0435\u0433\u043e \u0441\u0442\u043e\u043b\u0430 Windows.\n\n\u0417\u043b\u043e\u0443\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u0438\u043a, \u0443\u0441\u043f\u0435\u0448\u043d\u043e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0432\u0448\u0438\u0439 \u044d\u0442\u0443 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c, \u043c\u043e\u0436\u0435\u0442 \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c \u0441\u0438\u0441\u0442\u0435\u043c\u043d\u044b\u0435 \u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u0438. \u041d\u0438\u043a\u0430\u043a\u0438\u0445 \u043f\u043e\u0434\u0440\u043e\u0431\u043d\u043e\u0441\u0442\u0435\u0439 \u043e \u0442\u043e\u043c, \u043a\u0430\u043a \u0438\u043c\u0435\u043d\u043d\u043e \u0431\u044b\u043b\u0430 \u0441\u043e\u0432\u0435\u0440\u0448\u0435\u043d\u0430 \u0430\u0442\u0430\u043a\u0430, \u043d\u0435 \u0441\u043e\u043e\u0431\u0449\u0430\u0435\u0442\u0441\u044f.\n\nMicrosoft \u0443\u043f\u043e\u043c\u0438\u043d\u0430\u0435\u0442 \u043b\u0438\u0448\u044c \u0442\u043e, \u0447\u0442\u043e \u043e\u0431\u043d\u0430\u0440\u0443\u0436\u0435\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u043f\u0440\u0438\u043f\u0438\u0441\u044b\u0432\u0430\u0435\u0442\u0441\u044f \u0446\u0435\u043d\u0442\u0440\u0430\u043c Microsoft MSTIC \u0438 MSRC.\n\n- CVE-2026-21525: DoS-\u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0432 \u0434\u0438\u0441\u043f\u0435\u0442\u0447\u0435\u0440\u0435 \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0439 \u0443\u0434\u0430\u043b\u0435\u043d\u043d\u043e\u0433\u043e \u0434\u043e\u0441\u0442\u0443\u043f\u0430 Windows.\n\n\u0420\u0430\u0437\u044b\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435 \u043d\u0443\u043b\u0435\u0432\u043e\u0433\u043e \u0443\u043a\u0430\u0437\u0430\u0442\u0435\u043b\u044f \u0432 \u0434\u0438\u0441\u043f\u0435\u0442\u0447\u0435\u0440\u0435 \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0439 \u0443\u0434\u0430\u043b\u0435\u043d\u043d\u043e\u0433\u043e \u0434\u043e\u0441\u0442\u0443\u043f\u0430 Windows \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u043d\u0435\u0430\u0432\u0442\u043e\u0440\u0438\u0437\u043e\u0432\u0430\u043d\u043d\u043e\u043c\u0443 \u0437\u043b\u043e\u0443\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u0438\u043a\u0443 \u0437\u0430\u043f\u0440\u0435\u0442\u0438\u0442\u044c \u043b\u043e\u043a\u0430\u043b\u044c\u043d\u043e\u0435 \u043e\u0431\u0441\u043b\u0443\u0436\u0438\u0432\u0430\u043d\u0438\u0435.\n\nMicrosoft \u043f\u0440\u0438\u043f\u0438\u0441\u0430\u043b\u0430 \u043e\u0431\u043d\u0430\u0440\u0443\u0436\u0435\u043d\u0438\u0435 ACROS, \u0440\u0430\u0431\u043e\u0442\u0430\u044e\u0449\u0435\u0439 \u0441 0patch.\n\n\u0418\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u0438 \u043e\u0442\u044b\u0441\u043a\u0430\u043b\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0432 \u043e\u0431\u0449\u0435\u0434\u043e\u0441\u0442\u0443\u043f\u043d\u043e\u043c \u0440\u0435\u043f\u043e\u0437\u0438\u0442\u043e\u0440\u0438\u0438 \u0432\u0440\u0435\u0434\u043e\u043d\u043e\u0441\u043d\u043e\u0433\u043e \u041f\u041e \u0432 \u0445\u043e\u0434\u0435 \u043f\u043e\u0438\u0441\u043a\u0430 \u044d\u043a\u0441\u043f\u043b\u043e\u0439\u0442\u0430 \u0434\u043b\u044f CVE-2025-59230, \u043d\u043e \u043e\u043d \u043d\u0435 \u043e\u0441\u0432\u0435\u0434\u043e\u043c\u043b\u0435\u043d\u044b, \u043a\u0430\u043a \u0438\u043c\u0435\u043d\u043d\u043e \u043e\u043d\u0430 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u0432 \u0430\u0442\u0430\u043a\u0430\u0445. \u041e\u0434\u043d\u0430\u043a\u043e \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u043e \u043a\u043e\u043c\u0431\u0438\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0433\u043e \u044d\u043a\u0441\u043f\u043b\u043e\u0439\u0442\u0430 \u0434\u043b\u044f \u043e\u0431\u0435\u0438\u0445 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439 \u0433\u043e\u0432\u043e\u0440\u0438\u0442 \u043e \u00ab\u043f\u0440\u043e\u0444\u0435\u0441\u0441\u0438\u043e\u043d\u0430\u043b\u044c\u043d\u043e \u043f\u0440\u043e\u0434\u0435\u043b\u0430\u043d\u043d\u043e\u0439 \u0440\u0430\u0431\u043e\u0442\u0435\u00bb.\n\n- CVE-2026-21533: EoP-\u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0432 \u0441\u043b\u0443\u0436\u0431\u0430\u0445 \u0443\u0434\u0430\u043b\u0435\u043d\u043d\u043e\u0433\u043e \u0440\u0430\u0431\u043e\u0447\u0435\u0433\u043e \u0441\u0442\u043e\u043b\u0430 Windows.\n\n\u041d\u0435\u043f\u0440\u0430\u0432\u0438\u043b\u044c\u043d\u043e\u0435 \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u044f\u043c\u0438 \u0432 Windows Remote Desktop \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0430\u0432\u0442\u043e\u0440\u0438\u0437\u043e\u0432\u0430\u043d\u043d\u043e\u043c\u0443 \u0437\u043b\u043e\u0443\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u0438\u043a\u0443 \u043f\u043e\u0432\u044b\u0441\u0438\u0442\u044c \u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u0438 \u043b\u043e\u043a\u0430\u043b\u044c\u043d\u043e. \u041e\u0431\u043d\u0430\u0440\u0443\u0436\u0435\u043d\u0438\u0435 \u043f\u0440\u0438\u043f\u0438\u0441\u044b\u0432\u0430\u0435\u0442\u0441\u044f CrowdStrike.\n\n\u041f\u043e \u0434\u0430\u043d\u043d\u044b\u043c CrowdStrike, \u044d\u043a\u0441\u043f\u043b\u043e\u0439\u0442 \u0434\u043b\u044f CVE-2026-21533 \u0438\u0437\u043c\u0435\u043d\u044f\u0435\u0442 \u043a\u043b\u044e\u0447 \u043a\u043e\u043d\u0444\u0438\u0433\u0443\u0440\u0430\u0446\u0438\u0438 \u0441\u043b\u0443\u0436\u0431\u044b, \u0437\u0430\u043c\u0435\u043d\u044f\u044f \u0435\u0433\u043e \u043a\u043b\u044e\u0447\u043e\u043c, \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u0438\u0440\u0443\u0435\u043c\u044b\u043c \u0437\u043b\u043e\u0443\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u0438\u043a\u043e\u043c, \u0447\u0442\u043e \u043c\u043e\u0436\u0435\u0442 \u043f\u043e\u0437\u0432\u043e\u043b\u0438\u0442\u044c \u043f\u043e\u0432\u044b\u0441\u0438\u0442\u044c \u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u0438 \u0438 \u0434\u043e\u0431\u0430\u0432\u0438\u0442\u044c \u043d\u043e\u0432\u043e\u0433\u043e \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f \u0432 \u0433\u0440\u0443\u043f\u043f\u0443 \u0430\u0434\u043c\u0438\u043d\u043e\u0432.\n\nCrowdStrike \u043d\u0435 \u0441\u0432\u044f\u0437\u044b\u0432\u0430\u0435\u0442 \u044d\u0442\u0443 \u0430\u043a\u0442\u0438\u0432\u043d\u043e\u0441\u0442\u044c \u0441 \u043a\u043e\u043d\u043a\u0440\u0435\u0442\u043d\u044b\u043c \u0430\u043a\u0442\u043e\u0440\u043e\u043c, \u043d\u043e \u043f\u043e\u043b\u0430\u0433\u0430\u044e\u0442, \u0447\u0442\u043e \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438  \u044d\u043a\u0441\u043f\u043b\u043e\u0439\u0442\u0430, \u0432\u0435\u0440\u043e\u044f\u0442\u043d\u043e, \u0443\u0441\u043a\u043e\u0440\u044f\u0442 \u0441\u0432\u043e\u0438 \u043f\u043e\u043f\u044b\u0442\u043a\u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u0438\u043b\u0438 \u043f\u0435\u0440\u0435\u043f\u0440\u043e\u0434\u0430\u0442\u044c \u0435\u0433\u043e \u0432 \u0431\u043b\u0438\u0436\u0430\u0439\u0448\u0435\u0435 \u0432\u0440\u0435\u043c\u044f.\n\n\u041f\u043e\u043b\u043d\u043e\u0435 \u043e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u043a\u0430\u0436\u0434\u043e\u0439 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u0438 \u0437\u0430\u0442\u0440\u043e\u043d\u0443\u0442\u044b\u0445 \u0435\u044e \u0441\u0438\u0441\u0442\u0435\u043c - \u0437\u0434\u0435\u0441\u044c.", "creation_timestamp": "2026-02-11T11:40:52.000000Z"}, {"uuid": "50405a0c-a32c-4d35-bd85-27dd4f73f139", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-21533", "type": "seen", "source": "https://poliverso.org/objects/0477a01e-e8c8129d-b09e02c4de9c4f4a", "content": "Exploits and vulnerabilities in Q1 2026\nDuring Q1 2026, the exploit kits leveraged by threat actors to target user systems expanded once again, incorporating new exploits for the Microsoft Office platform, as well as Windows and Linux operating systems.\nIn this report, we dive into the statistics on published vulnerabilities and exploits, as well as the known vulnerabilities leveraged by popular C2 frameworks throughout Q1 2026.\nStatistics on registered vulnerabilities\nThis section provides statistical data on registered vulnerabilities. The data is sourced from cve.org.\nWe examine the number of registered CVEs for each month starting from January 2022. The total volume of vulnerabilities continues rising and, according to current reports, the use of AI agents for discovering security issues is expected to further reinforce this upward trend.\nTotal published vulnerabilities per month from 2022 through 2026 (download)\nNext, we analyze the number of new critical vulnerabilities (CVSS > 8.9) over the same period.\nTotal critical vulnerabilities published per month from 2022 through 2026 (download)\nThe graph indicates that while the volume of critical vulnerabilities slightly decreased compared to previous years, an upward trend remained clearly visible. At present, we attribute this to the fact that the end of last year was marked by the disclosure of several severe vulnerabilities in web frameworks. The current growth is driven by high-profile issues like React2Shell, the release of exploit frameworks for mobile platforms, and the uncovering of secondary vulnerabilities during the remediation of previously discovered ones. We will be able to test this hypothesis in the next quarter; if correct, the second quarter will show a significant decline, similar to the pattern observed in the previous year.\nExploitation statistics\nThis section presents statistics on vulnerability exploitation for Q1 2026. The data draws on open sources and our telemetry.\nWindows and Linux vulnerability exploitation\nIn Q1 2026, threat actor toolsets were updated with exploits for new, recently registered vulnerabilities. However, we first examine the list of veteran vulnerabilities that consistently account for the largest share of detections:\n\nCVE-2018-0802: a remote code execution (RCE) vulnerability in the Equation Editor component\nCVE-2017-11882: another RCE vulnerability also affecting Equation Editor\nCVE-2017-0199: a vulnerability in Microsoft Office and WordPad that allows an attacker to gain control over the system\nCVE-2023-38831: a vulnerability resulting from the improper handling of objects contained within an archive\nCVE-2025-6218: a vulnerability allowing the specification of relative paths to extract files into arbitrary directories, potentially leading to malicious command execution\nCVE-2025-8088: a directory traversal bypass vulnerability during file extraction utilizing NTFS Streams\nAmong the newcomers, we have observed exploits targeting the Microsoft Office platform and Windows OS components. Notably, these new vulnerabilities exploit logic flaws arising from the interaction between multiple systems, making them technically difficult to isolate within a specific file or library. A list of these vulnerabilities is provided below:\n\nCVE-2026-21509 and CVE-2026-21514: security feature bypass vulnerabilities: despite Protected View being enabled, a specially crafted file can still execute malicious code without the user\u2019s knowledge. Malicious commands are executed on the victim\u2019s system with the privileges of the user who opened the file.\nCVE-2026-21513: a vulnerability in the Internet Explorer MSHTML engine, which is used to open websites and render HTML markup. The vulnerability involves bypassing rules that restrict the execution of files from untrusted network sources. Interestingly, the data provider for this vulnerability was an LNK file.\nThese three vulnerabilities were utilized together in a single chain during attacks on Windows-based user systems. While this combination is noteworthy, we believe the widespread use of the entire chain as a unified exploit will likely decline due to its instability. We anticipate that these vulnerabilities will eventually be applied individually as initial entry vectors in phishing campaigns.\nBelow is the trend of exploit detections on user Windows systems starting from Q1 2025.\nDynamics of the number of Windows users encountering exploits, Q1 2025 \u2013 Q1 2026. The number of users who encountered exploits in Q1 2025 is taken as 100% (download)\nThe vulnerabilities listed here can be leveraged to gain initial access to a vulnerable system and for privilege escalation. This underscores the critical importance of timely software updates.\nOn Linux devices, exploits for the following vulnerabilities were detected most frequently:\n\nCVE-2022-0847: a vulnerability known as Dirty Pipe, which enables privilege escalation and the hijacking of running applications\nCVE-2019-13272: a vulnerability caused by improper handling of privilege inheritance, which can be exploited to achieve privilege escalation\nCVE-2021-22555: a heap out-of-bounds write vulnerability in the Netfilter kernel subsystem\nCVE-2023-32233: a vulnerability in the Netfilter subsystem that allows for Use-After-Free conditions and privilege escalation through the improper processing of network requests\nDynamics of the number of Linux users encountering exploits, Q1 2025 \u2013 Q1 2026. The number of users who encountered exploits in Q1 2025 is taken as 100% (download)\nIn the first quarter of 2026, we observed a decrease in the number of detected exploits; however, the detection rates are on the rise relative to the same period last year. For the Linux operating system, the installation of security patches remains critical.\nMost common published exploits\nThe distribution of published exploits by software type in Q1 2026 features an updated set of categories; once again, we see exploits targeting operating systems and Microsoft Office suites.\nDistribution of published exploits by platform, Q1 2026 (download)\nVulnerability exploitation in APT attacks\nWe analyzed which vulnerabilities were utilized in APT attacks during Q1 2026. The ranking provided below includes data based on our telemetry, research, and open sources.\nTOP 10 vulnerabilities exploited in APT attacks, Q1 2026 (download)\nIn Q1 2026, threat actors continued to utilize high-profile vulnerabilities registered in the previous year for APT attacks. The hypothesis we previously proposed has been confirmed: security flaws affecting web applications remain heavily exploited in real-world attacks. However, we are also observing a partial refresh of attacker toolsets. Specifically, during the first quarter of the year, APT campaigns leveraged recently discovered vulnerabilities in Microsoft Office products, edge networking device software, and remote access management systems. Although the most recent vulnerabilities are being exploited most heavily, their general characteristics continue to reinforce established trends regarding the categories of vulnerable software. Consequently, we strongly recommend applying the security patches provided by vendors.\nC2 frameworks\nIn this section, we examine the most popular C2 frameworks used by threat actors and analyze the vulnerabilities targeted by the exploits that interacted with C2 agents in APT attacks.\nThe chart below shows the frequency of known C2 framework usage in attacks against users during Q1 2026, according to open sources.\nTOP 10 C2 frameworks used by APTs to compromise user systems, Q1 2026 (download)\nMetasploit has returned to the top of the list of the most common C2 frameworks, displacing Sliver, which now shares the second position with Havoc. These are followed by Covenant and Mythic, the latter of which previously saw greater popularity. After studying open sources and analyzing samples of malicious C2 agents that contained exploits, we determined that the following vulnerabilities were utilized in APT attacks involving the C2 frameworks mentioned above:\n\nCVE-2023-46604: an insecure deserialization vulnerability allowing for arbitrary code execution within the server process context if the Apache ActiveMQ service is running\nCVE-2024-12356 and CVE-2026-1731: command injection vulnerabilities in BeyondTrust software that allow an attacker to send malicious commands even without system authentication\nCVE-2023-36884: a vulnerability in the Windows Search component that enables command execution on the system, bypassing security mechanisms built into Microsoft Office applications\nCVE-2025-53770: an insecure deserialization vulnerability in Microsoft SharePoint that allows for unauthenticated command execution on the server\nCVE-2025-8088 and CVE-2025-6218: similar directory traversal vulnerabilities that allow files to be extracted from an archive to a predefined path, potentially without the archiving utility displaying any alerts to the user\nThe nature of the described vulnerabilities indicates that they were exploited to gain initial access to the system. Notably, the majority of these security issues are targeted to bypass authentication mechanisms. This is likely due to the fact that C2 agents are being detected effectively, prompting threat actors to reduce the probability of discovery by utilizing bypass exploits.\nNotable vulnerabilities\nThis section highlights the most significant vulnerabilities published in Q1 2026 that have publicly available descriptions.\nCVE-2026-21519: Desktop Window Manager vulnerability\nAt the core of this vulnerability is a Type Confusion flaw. By attempting to access a resource within the Desktop Window Manager subsystem, an attacker can achieve privilege escalation. A necessary condition for exploiting this issue is existing authorization on the system.\nIt is worth noting that the DWM subsystem has been under close scrutiny by threat actors for quite some time. Historically, the primary attack vector involves interacting with the NtDComposition* function set.\nRegPwn (CVE-2026-21533): a system settings access control vulnerability\nCVE-2026-21533 is essentially a logic vulnerability that enables privilege escalation. It stems from the improper handling of privileges within Remote Desktop Services (RDS) components. By modifying service parameters in the registry and replacing the configuration with a custom key, an attacker can elevate privileges to the SYSTEM level. This vulnerability is likely to remain a fixture in threat actor toolsets as a method for establishing persistence and gaining high-level privileges.\nCVE-2026-21514: a Microsoft Office vulnerability\nThis vulnerability was discovered in the wild during attacks on user systems. Notably, an LNK file is used to initiate the exploitation process. CVE-2026-21514 is also a logic issue that allows for bypassing OLE technology restrictions on malicious code execution and the transmission of NetNTLM authentication requests when processing untrusted input.\nClawdbot (CVE-2026-25253): an OpenClaw vulnerability\nThis vulnerability in the AI agent leaks credentials (authentication tokens) when queried via the WebSocket protocol. It can lead to the compromise of the infrastructure where the agent is installed: researchers have confirmed the ability to access local system data and execute commands with elevated privileges. The danger of CVE-2026-25253 is further compounded by the fact that its exploitation has generated numerous attack scenarios, including the use of prompt injections and ClickFix techniques to install stealers on vulnerable systems.\nCVE-2026-34070: LangChain framework vulnerability\nLangChain is an open-source framework designed for building applications powered by large language models (LLMs). A directory traversal vulnerability allowed attackers to access arbitrary files within the infrastructure where the framework was deployed. The core of CVE-2026-34070 lies in the fact that certain functions within langchain_core/prompts/loading.py handled configuration files insecurely. This could potentially lead to the processing of files containing malicious data, which could be leveraged to execute commands and expose critical system information or other sensitive files.\nCVE-2026-22812: an OpenCode vulnerability\nCVE-2026-22812 is another vulnerability identified in AI-assisted coding software. By default, the OpenCode agent provided local access for launching authorized applications via an HTTP server that did not require authentication. Consequently, attackers could execute malicious commands on a vulnerable device with the privileges of the current user.\nConclusion and advice\nWe observe that the registration of vulnerabilities is steadily gaining momentum in Q1 2026, a trend driven by the widespread development of AI tools designed to identify security flaws across various software types. This trajectory is likely to result not only in a higher volume of registered vulnerabilities but also in an increase in exploit-driven attacks, further reinforcing the critical necessity of timely security patch deployment. Additionally, organizations must prioritize vulnerability management and implement effective defensive technologies to mitigate the risks associated with potential exploitation.\nTo ensure the rapid detection of threats involving exploit utilization and to prevent their escalation, it is essential to deploy a reliable security solution. Key features of such a tool include continuous infrastructure monitoring, proactive protection, and vulnerability prioritization based on real-world relevance. These mechanisms are integrated into Kaspersky Next, which also provides endpoint security and protection against cyberattacks of any complexity. \nsecurelist.com/vulnerabilities\u2026", "creation_timestamp": "2026-05-07T10:52:27.366675Z"}, {"uuid": "e53c0f85-5ea2-4a9d-83e9-f95407c05705", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-21533", "type": "seen", "source": "https://bsky.app/profile/pigondrugs.bsky.social/post/3mlba5yxkcj26", "content": "~Kaspersky~\nQ1 2026 exploit volumes surged due to AI discovery, with APTs heavily targeting MS Office, web apps, and AI frameworks.\n-\nIOCs: CVE-2026-21514, CVE-2026-25253, CVE-2026-21533\n-\n#APT #ThreatIntel #Vulnerabilities", "creation_timestamp": "2026-05-07T12:36:40.597253Z"}, {"uuid": "902ac796-07d4-424b-9a39-ab38e82fec60", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-21530", "type": "seen", "source": "https://www.thezdi.com/blog/2026/5/12/the-may-2026-security-update-review", "content": "I\u2019m currently in Berlin helping set up for Pwn2Own Berlin, but that doesn\u2019t stop Patch Tuesday from coming, and it\u2019s another big one. At least nothing is listed as being in the wild \u2013 for now. Take a break from your regularly scheduled activities and let\u2019s take a look at the latest security patches from Adobe and Microsoft. Due to technical difficulties, there will not be a video companion for this month.\nAdobe Patches for May 2026\nFor May, Adobe released 10 bulletins addressing 52 unique CVEs in Adobe Commerce, After Effects, Adobe Connect, Illustrator, Media Encoder, Premiere Pro, Substance 3D Painter, Substance 3D Sampler, Content Authenticity SDK, and the Adobe Substance 3D Designer. Here\u2019s this month\u2019s overview table:\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n  \n  \n\n\n\n\n  \n    \n\n\n\n<colgroup>\n  <col />\n  <col />\n  <col />\n  <col />\n  <col />\n  <col />\n  <col />\n</colgroup>\n\n<tfoot>\n  \n</tfoot>\n\n\n  \n    Bulletin ID\n    Product\n    CVE Count\n    Highest Severity\n    Highest CVSS\n    Exploited\n    Deployment Priority\n  \n\n\n  \n    APSB26-49\n    Adobe Commerce\n    15\n    Critical\n    8.7\n    No\n    2\n  \n  \n    APSB26-48\n    Adobe After Effects\n    4\n    Critical\n    7.8\n    No\n    3\n  \n  \n    APSB26-50\n    Adobe Connect\n    2\n    Critical\n    9.6\n    No\n    3\n  \n  \n    APSB26-51\n    Adobe Illustrator\n    4\n    Critical\n    7.8\n    No\n    3\n  \n  \n    APSB26-47\n    Adobe Media Encoder\n    2\n    Critical\n    7.8\n    No\n    3\n  \n  \n    APSB26-46\n    Adobe Premiere Pro\n    3\n    Critical\n    7.8\n    No\n    3\n  \n  \n    APSB26-55\n    Adobe Substance 3D Painter\n    2\n    Critical\n    7.8\n    No\n    3\n  \n  \n    APSB26-54\n    Adobe Substance 3D Sampler\n    1\n    Critical\n    7.8\n    No\n    3\n  \n  \n    APSB26-53\n    Content Authenticity SDK\n    14\n    Critical\n    7.5\n    No\n    3\n  \n  \n    APSB26-52\n    Adobe Substance 3D Designer\n    5\n    Important\n    6.3\n    No\n    3\n  \n\n    TOTAL\n    10 bulletins\n    52\n    \n    \n    \n    \n  \n\n\n\n  \n\n\n\n\n  \nThe obvious priority this month is the patch for Commerce, with its 15 bugs and deployment priority of 2. The Connect fix should also rank up there since both of its CVEs are CVSS 9s. Beyond those, it\u2019s a pretty typical month for Adobe, with most of the bugs either being cross-site scripting (XSS) or open-and-own code executions.\nMicrosoft Patches for May 2026\nThis month, Microsoft released a whopping 138 new CVEs in Windows and Windows components, Office and Office Components, Microsoft Edge (Chromium-based), Azure, .NET and Visual Studio, Copilot Chat, Github Copilot, M365 Copilot, SQL Server, TCP/IP, and the Telnet Client \u2013 yes, the Telnet client. Two of these bugs were reported through the TrendAI ZDI program. 30 of these bugs are rated Critical, three are rated as Moderate, one is rated Low, and the rest are rated Important in severity.\nThis large volume of fixes follows the largest monthly release in Microsoft\u2019s history and reflects the trend across the industry of a high number of submissions. While not all of these bugs were found by AI, it\u2019s likely they had an AI-related component \u2013 even if it was just AI writing the submission. I should also point out the Pwn2Own Berlin occurs in just a few days, and it\u2019s typical for vendors to patch as much as they can before the event.\nNone of the bugs patched by Microsoft this month are listed as publicly known or under active attack at the time of release, so we\u2019ve got that going for us. Let\u2019s take a closer look at some of the more interesting updates for this month, starting with a nasty-looking bug in DNS:\n-    CVE-2026-41096 - Windows DNS Client Remote Code Execution VulnerabilityThis patch fixes a heap-based buffer overflow in the DNS Client triggered by a malicious DNS response. No authentication or user interaction needed, and since the DNS Client runs on virtually every Windows machine, the attack surface is enormous. An attacker with a position to influence DNS responses (MitM, rogue server) could achieve unauthenticated RCE across your enterprise.\n-    CVE-2026-41089 - Windows Netlogon Remote Code Execution VulnerabilityThis update covers another CVSS 9.8 bug, which is a stack-based buffer overflow that lets an unauthenticated remote attacker execute code on a domain controller by sending a specially crafted network request \u2014 no credentials, no user interaction required. Yup \u2013 that makes it wormable. This is the highest-impact bug that requires immediate patching: a compromised domain controller is a compromised domain.\n-    CVE-2026-42898 - Microsoft Dynamics 365 On-Premises Remote Code Execution VulnerabilityThis bug rates a CVSS 9.9(!) and represents a code injection in Dynamics 365. It allows any authenticated user to execute code with a scope change, meaning exploitation can break out and affect resources beyond the vulnerable component itself. Scope changes are pretty rare, so if you\u2019re running Dynamics 365 On-Prem, definitely test and deploy this patch quickly.\n-    CVE-2026-40415 - Windows TCP/IP Remote Code Execution VulnerabilityThis bug in the TCP/IP stack results from a use-after-free (UAF) and could allow a remote, unauthenticated threat actor to execute code without user interaction. That makes this another wormable bug. However, this one is much less likely to be exploited. The target needs to be under sustained low-memory (memory pressure) conditions, which is pretty rare. Still, no need to tempt fate here. Test and deploy this one quickly.\nHere\u2019s the full list of CVEs released by Microsoft for May 2026:\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n  \n  \n\n\n\n\n  \n    \n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n <col width=\"144\" />\n <col width=\"256\" />\n <col span=\"5\" width=\"104\" />\n \n\n  CVE\n  Title\n  Severity\n  CVSS\n  Public\n  Exploited\n  Type\n \n \n  <span>CVE-2026-35435</span>\n  Azure AI Foundry\n  Elevation of Privilege Vulnerability\n  Critical\n  8.6\n  No\n  No\n  EoP\n \n \n  <span>CVE-2026-35428</span>\n  Azure Cloud Shell\n  Spoofing Vulnerability\n  Critical\n  9.6\n  No\n  No\n  Spoofing\n \n \n  <span>CVE-2026-42826</span>\n  Azure DevOps\n  Information Disclosure Vulnerability\n  Critical\n  10\n  No\n  No\n  Info\n \n \n  <span>CVE-2026-32207</span>\n  Azure Machine Learning\n  Notebook Spoofing Vulnerability\n  Critical\n  8.8\n  No\n  No\n  Spoofing\n \n \n  <span>CVE-2026-33109</span>\n  Azure Managed Instance\n  for Apache Cassandra Remote Code Execution Vulnerability\n  Critical\n  9.9\n  No\n  No\n  RCE\n \n \n  <span>CVE-2026-33844</span>\n  Azure Managed Instance\n  for Apache Cassandra Remote Code Execution Vulnerability\n  Critical\n  9\n  No\n  No\n  RCE\n \n \n  <span>CVE-2026-41105</span>\n  Azure Monitor Action\n  Group Notification System Elevation of Privilege Vulnerability\n  Critical\n  8.1\n  No\n  No\n  EoP\n \n \n  <span>CVE-2026-33111</span>\n  Copilot Chat\n  (Microsoft Edge) Information Disclosure Vulnerability\n  Critical\n  7.5\n  No\n  No\n  Info\n \n \n  <span>CVE-2026-26129</span>\n  M365 Copilot\n  Information Disclosure Vulnerability\n  Critical\n  7.5\n  No\n  No\n  Info\n \n \n  <span>CVE-2026-26164</span>\n  M365 Copilot\n  Information Disclosure Vulnerability\n  Critical\n  7.5\n  No\n  No\n  Info\n \n \n  <span>CVE-2026-33821</span>\n  Microsoft Dynamics 365\n  Customer Insights Elevation of Privilege Vulnerability\n  Critical\n  7.7\n  No\n  No\n  EoP\n \n \n  <span>CVE-2026-42898</span>\n  Microsoft Dynamics 365\n  On-Premises Remote Code Execution Vulnerability\n  Critical\n  9.9\n  No\n  No\n  RCE\n \n \n  <span>CVE-2026-40379</span>\n  Microsoft Enterprise\n  Security Token Service (ESTS) Spoofing Vulnerability\n  Critical\n  9.3\n  No\n  No\n  Spoofing\n \n \n  <span>CVE-2026-40363</span>\n  Microsoft Office\n  Remote Code Execution Vulnerability\n  Critical\n  8.4\n  No\n  No\n  RCE\n \n \n  <span>CVE-2026-40358</span>\n  Microsoft Office\n  Remote Code Execution Vulnerability\n  Critical\n  8.4\n  No\n  No\n  RCE\n \n \n  <span>CVE-2026-34327</span>\n  Microsoft Partner\n  Center Spoofing Vulnerability\n  Critical\n  8.2\n  No\n  No\n  Spoofing\n \n \n  <span>CVE-2026-40365</span>\n  Microsoft SharePoint\n  Server Remote Code Execution Vulnerability\n  Critical\n  8.8\n  No\n  No\n  RCE\n \n \n  <span>CVE-2026-41103</span>\n  Microsoft SSO Plugin\n  for Jira & Confluence Elevation of Privilege Vulnerability\n  Critical\n  9.1\n  No\n  No\n  EoP\n \n \n  <span>CVE-2026-33823</span>\n  Microsoft Team Events\n  Portal Information Disclosure Vulnerability\n  Critical\n  9.6\n  No\n  No\n  Info\n \n \n  <span>CVE-2026-40364</span>\n  Microsoft Word Remote\n  Code Execution Vulnerability\n  Critical\n  8.4\n  No\n  No\n  RCE\n \n \n  <span>CVE-2026-40366</span>\n  Microsoft Word Remote\n  Code Execution Vulnerability\n  Critical\n  8.4\n  No\n  No\n  RCE\n \n \n  <span>CVE-2026-40361</span>\n  Microsoft Word Remote\n  Code Execution Vulnerability\n  Critical\n  8.4\n  No\n  No\n  RCE\n \n \n  <span>CVE-2026-40367</span>\n  Microsoft Word Remote\n  Code Execution Vulnerability\n  Critical\n  8.4\n  No\n  No\n  RCE\n \n \n  <span>CVE-2026-42831</span>\n  Office for Android\n  Remote Code Execution Vulnerability\n  Critical\n  7.8\n  No\n  No\n  RCE\n \n \n  <span>CVE-2026-41096</span>\n  Windows DNS Client\n  Remote Code Execution Vulnerability\n  Critical\n  9.8\n  No\n  No\n  RCE\n \n \n  <span>CVE-2026-35421</span>\n  Windows GDI Remote\n  Code Execution Vulnerability\n  Critical\n  7.8\n  No\n  No\n  RCE\n \n \n  <span>CVE-2026-40403</span>\n  Windows Graphics\n  Component Remote Code Execution Vulnerability\n  Critical\n  8.8\n  No\n  No\n  RCE\n \n \n  <span>CVE-2026-40402</span>\n  Windows Hyper-V\n  Elevation of Privilege Vulnerability\n  Critical\n  9.3\n  No\n  No\n  EoP\n \n \n  <span>CVE-2026-32161</span>\n  Windows Native WiFi\n  Miniport Driver Remote Code Execution Vulnerability\n  Critical\n  7.5\n  No\n  No\n  RCE\n \n \n  <span>CVE-2026-41089</span>\n  Windows Netlogon\n  Remote Code Execution Vulnerability\n  Critical\n  9.8\n  No\n  No\n  RCE\n \n \n  <span>CVE-2026-32175</span>\n  .NET Core Tampering\n  Vulnerability\n  Important\n  4.3\n  No\n  No\n  Tampering\n \n \n  <span>CVE-2026-32177</span>\n  .NET Elevation of\n  Privilege Vulnerability\n  Important\n  7.3\n  No\n  No\n  EoP\n \n \n  <span>CVE-2026-35433</span>\n  .NET Elevation of\n  Privilege Vulnerability\n  Important\n  7.3\n  No\n  No\n  EoP\n \n \n  <span>CVE-2025-54518 *</span>\n  AMD: CVE-2025-54518\n  CPU OP Cache Corruption\n  Important\n  \n  No\n  No\n  RCE\n \n \n  <span>CVE-2026-42899</span>\n  ASP.NET Core Denial of\n  Service Vulnerability\n  Important\n  7.5\n  No\n  No\n  DoS\n \n \n  <span>CVE-2026-40381</span>\n  Azure Connected\n  Machine Agent Elevation of Privilege Vulnerability\n  Important\n  7.8\n  No\n  No\n  EoP\n \n \n  <span>CVE-2026-42823 \u2020</span>\n  Azure Logic Apps\n  Elevation of Privilege Vulnerability\n  Important\n  9.9\n  No\n  No\n  EoP\n \n \n  <span>CVE-2026-33833</span>\n  Azure Machine Learning\n  Notebook Spoofing Vulnerability\n  Important\n  8.2\n  No\n  No\n  Spoofing\n \n \n  <span>CVE-2026-32204</span>\n  Azure Monitor Agent\n  Elevation of Privilege Vulnerability\n  Important\n  7.8\n  No\n  No\n  EoP\n \n \n  <span>CVE-2026-42830</span>\n  Azure Monitor Agent\n  Metrics Extension Elevation of Privilege Vulnerability\n  Important\n  6.5\n  No\n  No\n  EoP\n \n \n  <span>CVE-2026-33117</span>\n  Azure SDK for Java\n  Security Feature Bypass Vulnerability\n  Important\n  9.1\n  No\n  No\n  SFB\n \n \n  <span>CVE-2026-41109</span>\n  GitHub Copilot and\n  Visual Studio Code Security Feature Bypass Vulnerability\n  Important\n  8.8\n  No\n  No\n  SFB\n \n \n  <span>CVE-2026-35424</span>\n  Internet Key Exchange\n  (IKE) Protocol Denial of Service Vulnerability\n  Important\n  7.5\n  No\n  No\n  DoS\n \n \n  <span>CVE-2026-41614</span>\n  M365 Copilot for\n  Desktop Spoofing Vulnerability\n  Important\n  6.2\n  No\n  No\n  Spoofing\n \n \n  <span>CVE-2026-41100</span>\n  Microsoft 365 Copilot\n  for Android Spoofing Vulnerability\n  Important\n  4.4\n  No\n  No\n  Spoofing\n \n \n  <span>CVE-2026-40377</span>\n  Microsoft\n  Cryptographic Services Elevation of Privilege Vulnerability\n  Important\n  7.8\n  No\n  No\n  EoP\n \n \n  <span>CVE-2026-41094</span>\n  Microsoft Data\n  Formulator Remote Code Execution Vulnerability\n  Important\n  8.8\n  No\n  No\n  RCE\n \n \n  <span>CVE-2026-40417</span>\n  Microsoft Dynamics 365\n  Business Central Elevation of Privilege Vulnerability\n  Important\n  7.8\n  No\n  No\n  EoP\n \n \n  <span>CVE-2026-42833</span>\n  Microsoft Dynamics 365\n  On-Premises Remote Code Execution Vulnerability\n  Important\n  9.1\n  No\n  No\n  RCE\n \n \n  <span>CVE-2026-42838</span>\n  Microsoft Edge\n  (Chromium-based) Elevation of Privilege Vulnerability\n  Important\n  5.4\n  No\n  No\n  EoP\n \n \n  <span>CVE-2026-40360</span>\n  Microsoft Excel\n  Information Disclosure Vulnerability\n  Important\n  7.8\n  No\n  No\n  Info\n \n \n  <span>CVE-2026-40359</span>\n  Microsoft Excel Remote\n  Code Execution Vulnerability\n  Important\n  7.8\n  No\n  No\n  RCE\n \n \n  <span>CVE-2026-40362</span>\n  Microsoft Excel Remote\n  Code Execution Vulnerability\n  Important\n  7.8\n  No\n  No\n  RCE\n \n \n  <span>CVE-2026-42832</span>\n  Microsoft Excel\n  Spoofing Vulnerability\n  Important\n  7.7\n  No\n  No\n  Spoofing\n \n \n  <span>CVE-2026-34329</span>\n  Microsoft Message\n  Queuing (MSMQ) Remote Code Execution Vulnerability\n  Important\n  8.8\n  No\n  No\n  RCE\n \n \n  <span>CVE-2026-40419</span>\n  Microsoft Office\n  Click-To-Run Elevation of Privilege Vulnerability\n  Important\n  7.8\n  No\n  No\n  EoP\n \n \n  <span>CVE-2026-40418</span>\n  Microsoft Office\n  Click-To-Run Elevation of Privilege Vulnerability\n  Important\n  7.8\n  No\n  No\n  EoP\n \n \n  <span>CVE-2026-35436</span>\n  Microsoft Office\n  Click-To-Run Elevation of Privilege Vulnerability\n  Important\n  8.8\n  No\n  No\n  EoP\n \n \n  <span>CVE-2026-40420</span>\n  Microsoft Office\n  Click-To-Run Elevation of Privilege Vulnerability\n  Important\n  8.8\n  No\n  No\n  EoP\n \n \n  <span>CVE-2026-42893</span>\n  Microsoft Outlook for\n  iOS Tampering Vulnerability\n  Important\n  7.4\n  No\n  No\n  Tampering\n \n \n  <span>CVE-2026-40374</span>\n  Microsoft Power\n  Automate Desktop Information Disclosure Vulnerability\n  Important\n  6.5\n  No\n  No\n  Info\n \n \n  <span>CVE-2026-41102</span>\n  Microsoft PowerPoint\n  for Android Spoofing Vulnerability\n  Important\n  7.1\n  No\n  No\n  Spoofing\n \n \n  <span>CVE-2026-35439</span>\n  Microsoft SharePoint\n  Server Remote Code Execution Vulnerability\n  Important\n  8.8\n  No\n  No\n  RCE\n \n \n  <span>CVE-2026-40368</span>\n  Microsoft SharePoint\n  Server Remote Code Execution Vulnerability\n  Important\n  8\n  No\n  No\n  RCE\n \n \n  <span>CVE-2026-33110</span>\n  Microsoft SharePoint\n  Server Remote Code Execution Vulnerability\n  Important\n  8.8\n  No\n  No\n  RCE\n \n \n  <span>CVE-2026-33112</span>\n  Microsoft SharePoint\n  Server Remote Code Execution Vulnerability\n  Important\n  8.8\n  No\n  No\n  RCE\n \n \n  <span>CVE-2026-40357</span>\n  Microsoft SharePoint\n  Server Remote Code Execution Vulnerability\n  Important\n  8.8\n  No\n  No\n  RCE\n \n \n  <span>CVE-2026-32185</span>\n  Microsoft Teams\n  Spoofing Vulnerability\n  Important\n  5.5\n  No\n  No\n  Spoofing\n \n \n  <span>CVE-2026-41101</span>\n  Microsoft Word for\n  Android Spoofing Vulnerability\n  Important\n  7.1\n  No\n  No\n  Spoofing\n \n \n  <span>CVE-2026-35440</span>\n  Microsoft Word\n  Information Disclosure Vulnerability\n  Important\n  5.5\n  No\n  No\n  Info\n \n \n  <span>CVE-2026-40421</span>\n  Microsoft Word\n  Information Disclosure Vulnerability\n  Important\n  4.3\n  No\n  No\n  Info\n \n \n  <span>CVE-2026-41097</span>\n  Secure Boot Security\n  Feature Bypass Vulnerability\n  Important\n  6.7\n  No\n  No\n  SFB\n \n \n  <span>CVE-2026-40370 \u2020</span>\n  SQL Server Remote Code\n  Execution Vulnerability\n  Important\n  8.8\n  No\n  No\n  RCE\n \n \n  <span>CVE-2026-41613</span>\n  Visual Studio Code\n  Elevation of Privilege Vulnerability\n  Important\n  8.8\n  No\n  No\n  EoP\n \n \n  <span>CVE-2026-41612</span>\n  Visual Studio Code\n  Information Disclosure Vulnerability\n  Important\n  5.5\n  No\n  No\n  Info\n \n \n  <span>CVE-2026-41611</span>\n  Visual Studio Code\n  Remote Code Execution Vulnerability\n  Important\n  7.8\n  No\n  No\n  RCE\n \n \n  <span>CVE-2026-41610</span>\n  Visual Studio Code\n  Security Feature Bypass Vulnerability\n  Important\n  6.3\n  No\n  No\n  SFB\n \n \n  <span>CVE-2026-33839</span>\n  Win32k Elevation of\n  Privilege Vulnerability\n  Important\n  7\n  No\n  No\n  EoP\n \n \n  <span>CVE-2026-33840</span>\n  Win32k Elevation of\n  Privilege Vulnerability\n  Important\n  7.8\n  No\n  No\n  EoP\n \n \n  <span>CVE-2026-34330</span>\n  Win32k Elevation of\n  Privilege Vulnerability\n  Important\n  7.8\n  No\n  No\n  EoP\n \n \n  <span>CVE-2026-34331</span>\n  Win32k Elevation of\n  Privilege Vulnerability\n  Important\n  7\n  No\n  No\n  EoP\n \n \n  <span>CVE-2026-35423</span>\n  Windows 11 Telnet\n  Client Information Disclosure Vulnerability\n  Important\n  5.4\n  No\n  No\n  Info\n \n \n  <span>CVE-2026-35438</span>\n  Windows Admin Center\n  Elevation of Privilege Vulnerability\n  Important\n  8.3\n  No\n  No\n  EoP\n \n \n  <span>CVE-2026-41086</span>\n  Windows Admin Center\n  in Azure Portal Elevation of Privilege Vulnerability\n  Important\n  8.8\n  No\n  No\n  EoP\n \n \n  <span>CVE-2026-34344</span>\n  Windows Ancillary\n  Function Driver for WinSock Elevation of Privilege Vulnerability\n  Important\n  7.8\n  No\n  No\n  EoP\n \n \n  <span>CVE-2026-34345</span>\n  Windows Ancillary\n  Function Driver for WinSock Elevation of Privilege Vulnerability\n  Important\n  7\n  No\n  No\n  EoP\n \n \n  <span>CVE-2026-35416</span>\n  Windows Ancillary\n  Function Driver for WinSock Elevation of Privilege Vulnerability\n  Important\n  7\n  No\n  No\n  EoP\n \n \n  <span>CVE-2026-41088</span>\n  Windows Ancillary\n  Function Driver for WinSock Elevation of Privilege Vulnerability\n  Important\n  7.8\n  No\n  No\n  EoP\n \n \n  <span>CVE-2026-34343</span>\n  Windows Application\n  Identity (AppID) Subsystem Elevation of Privilege Vulnerability\n  Important\n  7.8\n  No\n  No\n  EoP\n \n \n  <span>CVE-2026-35418</span>\n  Windows Cloud Files\n  Mini Filter Driver Elevation of Privilege Vulnerability\n  Important\n  7.8\n  No\n  No\n  EoP\n \n \n  <span>CVE-2026-33835</span>\n  Windows Cloud Files\n  Mini Filter Driver Elevation of Privilege Vulnerability\n  Important\n  7.8\n  No\n  No\n  EoP\n \n \n  <span>CVE-2026-34337</span>\n  Windows Cloud Files\n  Mini Filter Driver Elevation of Privilege Vulnerability\n  Important\n  7.8\n  No\n  No\n  EoP\n \n \n  <span>CVE-2026-40407</span>\n  Windows Common Log\n  File System Driver Elevation of Privilege Vulnerability\n  Important\n  7.8\n  No\n  No\n  EoP\n \n \n  <span>CVE-2026-40397</span>\n  Windows Common Log\n  File System Driver Elevation of Privilege Vulnerability\n  Important\n  7.8\n  No\n  No\n  EoP\n \n \n  <span>CVE-2026-42896</span>\n  Windows DWM Core\n  Library Elevation of Privilege Vulnerability\n  Important\n  7.8\n  No\n  No\n  EoP\n \n \n  <span>CVE-2026-35419</span>\n  Windows DWM Core\n  Library Information Disclosure<span> \n  </span>Vulnerability\n  Important\n  5.5\n  No\n  No\n  Info\n \n \n  <span>CVE-2026-34336</span>\n  Windows DWM Core\n  Library Information Disclosure<span> \n  </span>Vulnerability\n  Important\n  7.8\n  No\n  No\n  Info\n \n \n  <span>CVE-2026-33834</span>\n  Windows Event Logging\n  Service Elevation of Privilege Vulnerability\n  Important\n  7.8\n  No\n  No\n  EoP\n \n \n  <span>CVE-2026-32209</span>\n  Windows Filtering\n  Platform (WFP) Security Feature Bypass Vulnerability\n  Important\n  4.4\n  No\n  No\n  SFB\n \n \n  <span>CVE-2026-33841</span>\n  Windows Kernel\n  Elevation of Privilege Vulnerability\n  Important\n  7.8\n  No\n  No\n  EoP\n \n \n  <span>CVE-2026-35420</span>\n  Windows Kernel\n  Elevation of Privilege Vulnerability\n  Important\n  7.8\n  No\n  No\n  EoP\n \n \n  <span>CVE-2026-40369</span>\n  Windows Kernel\n  Elevation of Privilege Vulnerability\n  Important\n  7.8\n  No\n  No\n  EoP\n \n \n  <span>CVE-2026-34332</span>\n  Windows Kernel-Mode\n  Driver Remote Code Execution Vulnerability\n  Important\n  8\n  No\n  No\n  RCE\n \n \n  <span>CVE-2026-34339</span>\n  Windows Lightweight\n  Directory Access Protocol (LDAP) Denial of Service Vulnerability\n  Important\n  5.5\n  No\n  No\n  DoS\n \n \n  <span>CVE-2026-34341</span>\n  Windows Link-Layer\n  Discovery Protocol (LLDP) Elevation of Privilege Vulnerability\n  Important\n  7\n  No\n  No\n  EoP\n \n \n  <span>CVE-2026-33838</span>\n  Windows Message\n  Queuing (MSMQ) Elevation of Privilege Vulnerability\n  Important\n  7.8\n  No\n  No\n  EoP\n \n \n  <span>CVE-2026-34342</span>\n  Windows Print Spooler\n  Elevation of Privilege Vulnerability\n  Important\n  7\n  No\n  No\n  EoP\n \n \n  <span>CVE-2026-41095</span>\n  Windows Projected File\n  System Elevation of Privilege Vulnerability\n  Important\n  7.8\n  No\n  No\n  EoP\n \n \n  <span>CVE-2026-34340</span>\n  Windows Projected File\n  System Elevation of Privilege Vulnerability\n  Important\n  7\n  No\n  No\n  EoP\n \n \n  <span>CVE-2026-40398</span>\n  Windows Remote Desktop\n  Services Elevation of Privilege Vulnerability\n  Important\n  7.8\n  No\n  No\n  EoP\n \n \n  <span>CVE-2026-21530</span>\n  Windows Rich Text Edit\n  Elevation of Privilege Vulnerability\n  Important\n  6.7\n  No\n  No\n  EoP\n \n \n  <span>CVE-2026-32170</span>\n  Windows Rich Text Edit\n  Elevation of Privilege Vulnerability\n  Important\n  6.7\n  No\n  No\n  EoP\n \n \n  <span>CVE-2026-40410</span>\n  Windows SMB Client\n  Elevation of Privilege Vulnerability\n  Important\n  7\n  No\n  No\n  EoP\n \n \n  <span>CVE-2026-35415</span>\n  Windows Storage Spaces\n  Controller Elevation of Privilege Vulnerability\n  Important\n  7.8\n  No\n  No\n  EoP\n \n \n  <span>CVE-2026-34350</span>\n  Windows Storport\n  Miniport Driver Denial of Service Vulnerability\n  Important\n  6.5\n  No\n  No\n  DoS\n \n \n  <span>CVE-2026-40405</span>\n  Windows TCP/IP Denial\n  of Service Vulnerability\n  Important\n  7.5\n  No\n  No\n  DoS\n \n \n  <span>CVE-2026-40414</span>\n  Windows TCP/IP Denial\n  of Service Vulnerability\n  Important\n  7.4\n  No\n  No\n  DoS\n \n \n  <span>CVE-2026-40401</span>\n  Windows TCP/IP Denial\n  of Service Vulnerability\n  Important\n  6.2\n  No\n  No\n  DoS\n \n \n  <span>CVE-2026-40413</span>\n  Windows TCP/IP Denial\n  of Service Vulnerability\n  Important\n  7.4\n  No\n  No\n  DoS\n \n \n  <span>CVE-2026-35422</span>\n  Windows TCP/IP Driver\n  Security Feature Bypass Vulnerability\n  Important\n  6.5\n  No\n  No\n  SFB\n \n \n  <span>CVE-2026-34351</span>\n  Windows TCP/IP\n  Elevation of Privilege Vulnerability\n  Important\n  7.8\n  No\n  No\n  EoP\n \n \n  <span>CVE-2026-40399</span>\n  Windows TCP/IP\n  Elevation of Privilege Vulnerability\n  Important\n  7.8\n  No\n  No\n  EoP\n \n \n  <span>CVE-2026-34334</span>\n  Windows TCP/IP\n  Elevation of Privilege Vulnerability\n  Important\n  7.8\n  No\n  No\n  EoP\n \n \n  <span>CVE-2026-40406</span>\n  Windows TCP/IP\n  Information Disclosure Vulnerability\n  Important\n  7.5\n  No\n  No\n  Info\n \n \n  <span>CVE-2026-33837</span>\n  Windows TCP/IP Local\n  Elevation of Privilege Vulnerability\n  Important\n  7.8\n  No\n  No\n  EoP\n \n \n  <span>CVE-2026-40415</span>\n  Windows TCP/IP Remote\n  Code Execution Vulnerability\n  Important\n  8.1\n  No\n  No\n  RCE\n \n \n  <span>CVE-2026-42825</span>\n  Windows Telephony\n  Service Elevation of Privilege Vulnerability\n  Important\n  7\n  No\n  No\n  EoP\n \n \n  <span>CVE-2026-34338</span>\n  Windows Telephony\n  Service Elevation of Privilege Vulnerability\n  Important\n  7.8\n  No\n  No\n  EoP\n \n \n  <span>CVE-2026-40382</span>\n  Windows Telephony\n  Service Elevation of Privilege Vulnerability\n  Important\n  7.8\n  No\n  No\n  EoP\n \n \n  <span>CVE-2026-40380</span>\n  Windows Volume Manager\n  Extension Driver Remote Code Execution Vulnerability\n  Important\n  6.2\n  No\n  No\n  RCE\n \n \n  <span>CVE-2026-40408</span>\n  Windows WAN ARP Driver\n  Elevation of Privilege Vulnerability\n  Important\n  7.8\n  No\n  No\n  EoP\n \n \n  <span>CVE-2026-34333</span>\n  Windows Win32k\n  Elevation of Privilege Vulnerability\n  Important\n  7.8\n  No\n  No\n  EoP\n \n \n  <span>CVE-2026-34347</span>\n  Windows Win32k\n  Elevation of Privilege Vulnerability\n  Important\n  7\n  No\n  No\n  EoP\n \n \n  <span>CVE-2026-35417</span>\n  Windows Win32k\n  Elevation of Privilege Vulnerability\n  Important\n  7.8\n  No\n  No\n  EoP\n \n \n  <span>CVE-2026-42891</span>\n  Microsoft Edge\n  (Chromium-based) for Android Spoofing Vulnerability\n  Moderate\n  6.5\n  No\n  No\n  Spoofing\n \n \n  <span>CVE-2026-35429</span>\n  Microsoft Edge\n  (Chromium-based) for Android Spoofing Vulnerability\n  Moderate\n  4.3\n  No\n  No\n  Spoofing\n \n \n  <span>CVE-2026-41107</span>\n  Microsoft Edge\n  (Chromium-based) Information Disclosure Vulnerability\n  Moderate\n  7.4\n  No\n  No\n  Info\n \n \n  <span>CVE-2026-40416</span>\n  Microsoft\n  Edge (Chromium-based) for Android Spoofing Vulnerability\n  Low\n  4.3\n  No\n  No\n  Spoofing\n \n \n \n  \n  \n  \n  \n  \n  \n  \n \n \n\n\n\n\n\n\n\n\n\n\n\n\n  \n\n\n\n\n  \n* Indicates this CVE had been released by a third party and is now being included in Microsoft releases.\n\u2020 Indicates further administrative actions are required to fully address the vulnerability.\n \nLooking at the other Critical-rated bugs in this month\u2019s release, there are quite a few scary-looking bugs (including a CVSS 10!), but there\u2019s no action for the end user as Microsoft has already mitigated these bugs and is just now documenting them. There\u2019s also this month\u2019s crop of Office bugs where the Preview Pane is an attack vector. However, the bug in Office for Android does not have the Preview Pane vector; it\u2019s simple open and own. The bug in the WiFi driver needs a network adjacent attacker. The SharePoint bug requires authentication, but anyone with site privileges has the authentication needed. The bug in SSO Plugin for Jira & Confluence should really be called an authentication bypass, since it allows an unauthenticated attacker to gain access to a system.\nLooking at the other code execution bugs, most are of the open and own variety as expected. The bug in Dynamic 365 (On Prem) requires high privileges. The Message Queueing bug requires an adjacent attacker. The bug in SQL Server requires authentication, but as usual, patching won\u2019t be straightforward. Finally, there\u2019s a bug in the kernel that leads to code execution. Most kernel bugs are privilege escalations, but this one could allow code execution if an attacker sends specially crafted NVMe over Fabrics (NVMe\u2011oF) response messages during the connection handshake process that contains an invalid header length value. Neat.\nAs usual, the vast majority of the Microsoft release fixes Elevation of Privilege (EoP) bugs. Also as usual, most simply lead to local attackers executing their code at SYSTEM-level privileges or administrative privileges, so there\u2019s not much to add without further technical details about the bugs themselves. There are also a few bugs that just state the attacker could \u201cgain ELEVATED privileges.\u201d How obtuse. The bugs in Azure allow an attacker to access data otherwise hidden from them. The Edge bug allows threat actors to elevate to the privileges of the running application. The bug in Visual Studio allows attackers to get permissions associated with the MCP Server\u2019s managed identity. Finally, there are a couple of sandbox escapes, too, which are always useful.\nThis month's update includes six Security Feature Bypass vulnerabilities. The most severe is in the Azure SDK for Java (CVSS 9.1). An attacker over the network can bypass the integrity protection provided by authentication tags on encrypted data, effectively manipulating encrypted input in a way that slips past integrity checks during decryption.  Close behind is the bypass affecting the GitHub Copilot integration in Visual Studio Code (CWE-74). This one requires a user interaction, but it allows an attacker to circumvent the path validation safeguards that normally control which files Copilot is permitted to modify. The other Visual Studio Code bypass involves cross-site scripting, improper link resolution, and information exposure triggered when a user opens or views a maliciously crafted notebook.  On the Windows networking side there are two bypasses. The first hits the Windows TCP/IP driver via an authentication bypass using an alternate channel. The other impacts the Windows Filtering Platform through improper access control, allowing a local, low-privileged attacker to bypass FQDN-based network security rules. Finally, there\u2019s a Secure Boot bypass that, you guessed it, bypasses secure boot features.\nMoving on to the Information Disclosure bugs fixed this month, we have 15 different CVEs. As usual, the majority of these simply result in info leaks consisting of unspecified memory contents or memory addresses. The bug in Power Automate could expose data marked \u201cSensitive\u201d within Power Automate Desktop flows. One of the Word bugs could disclose NLTM hashes. The bug in Edge could disclose your cookies, which seems rude. The bug in Visual Studio could expose file path information. Finally, there\u2019s a bug in Telnet for Windows 11 that leaks information being used by Telnet at the time. I didn\u2019t even realize Windows 11 still had a telnet client.\nThe May release contains 10 spoofing bugs (plus the ones already addressed by Microsoft). The bug in Azure Machine Learning Notebooks vulnerability requires user interaction, but it could expose info through the Azure ML web interface to the attacker. There\u2019s a cluster of fixes for Microsoft's mobile Office suite on Android. Excel, Word, and PowerPoint for Android all carry spoofing flaws rooted in improper access control. Two Copilot products are also affected by spoofing vulns. The M365 Copilot for Desktop has no details provided. The M365 Copilot for Android variant requires low privileges and producing only limited impact on confidentiality and integrity. Microsoft Teams for Android rounds out the mobile app spoofing bugs. Three Edge bugs close things out, all involving misrepresentation of information in the browser UI. \nThere are two Tampering bugs in this month\u2019s release. The one in .NET Core allows threat actors to write files to an affected system. The other is in Outlook for iOS and manifests as a command injection bug.\nThere are eight DoS bugs in the May release, but as always, Microsoft provides little to no actionable information about the vulnerabilities. The most interesting from a practical standpoint are two TCP/IP bugs that allow a low-privilege Hyper-V guest to crash the host. Both are triggered from the adjacent network. On the broader network-exposure side, the ASP.NET Core bug is a straightforward infinite loop condition \u2014 an unauthenticated attacker sends a crafted request over the network and the server stops responding.\nNo new advisories are being released this month.\nLooking Ahead\nAssuming I survive Pwn2Own Berlin (which is looking iffy at the moment), I\u2019ll return on June 9th on what will hopefully be a smaller release than this one. Until then, stay safe, happy patching, and may all your reboots be smooth and clean!", "creation_timestamp": "2026-05-12T16:38:43.000000Z"}, {"uuid": "3c0d28a1-8646-41a3-80d4-d8e6fa99d8a2", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-21530", "type": "seen", "source": "https://www.acn.gov.it/portale/w/aggiornamenti-mensili-microsoft-20", "content": "", "creation_timestamp": "2026-05-13T01:08:48.000000Z"}, {"uuid": "a54a6b0d-4651-4cf7-909b-c0b5f0434f47", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-21530", "type": "seen", "source": "https://advisories.ncsc.nl/advisory?id=NCSC-2026-0141", "content": "Microsoft heeft kwetsbaarheden verholpen in Windows. Een kwaadwillende kan de kwetsbaarheden misbruiken om aanvallen uit te voeren die kunnen leiden tot de volgende categorie\u00ebn schade:\n\n- Denial-of-Service (DoS)\n- Uitvoeren van willekeurige code (root/admin-rechten)\n- Uitvoeren van willekeurige code (gebruikersrechten)\n- Verkrijgen van verhoogde rechten\n- Omzeilen van een beveiligingsmaatregel\n- Toegang tot gevoelige gegevens\n\nDe ernstigste kwetsbaarheden hebben kenmerken CVE-2026-40402, CVE-2026-41089 en CVE-2026-41096 toegewezen gekregen en bevinden zich respectievelijk in Hyper-V, NETLOGON en de DNS Client. De kwetsbaarheid in Hyper-V stelt een geauthenticeerde kwaadwillende in staat om uit de Guest-VM te breken en toegang te krijgen tot geheugen van de host en mogelijk willekeurige code uit te voeren op de host. De kwetsbaarheden in NETLOGON en de DNS Client stellen een ongeauthenticeerde kwaadwillende op afstand in staat om willekeurige code uit te voeren op het kwetsbare systeem.\n\n**Met name Domain Controllers die toegankelijk zijn vanaf externe netwerken lopen een hoog risico voor actief misbruik van de kwetsbaarheid in NETLOGON.**\n\nHet verdient altijd aanbeveling om een systeem met de rol van Domain Controller niet publiek toegankelijk te hebben en, indien dit noodzakelijk is, additionele maatregelen te hebben genomen.\n\n```\nWindows Projected File System: \n|----------------|------|-------------------------------------|\n| CVE-ID         | CVSS | Impact                              |\n|----------------|------|-------------------------------------|\n| CVE-2026-34340 | 7.00 | Verkrijgen van verhoogde rechten    | \n|----------------|------|-------------------------------------|\n\nWindows Application Identity (AppID) Subsystem: \n|----------------|------|-------------------------------------|\n| CVE-ID         | CVSS | Impact                              |\n|----------------|------|-------------------------------------|\n| CVE-2026-34343 | 7.80 | Verkrijgen van verhoogde rechten    | \n|----------------|------|-------------------------------------|\n\nUndisclosed: \n|----------------|------|-------------------------------------|\n| CVE-ID         | CVSS | Impact                              |\n|----------------|------|-------------------------------------|\n| CVE-2026-41095 | 7.80 | Verkrijgen van verhoogde rechten    | \n|----------------|------|-------------------------------------|\n\nWindows Remote Desktop: \n|----------------|------|-------------------------------------|\n| CVE-ID         | CVSS | Impact                              |\n|----------------|------|-------------------------------------|\n| CVE-2026-40398 | 7.80 | Verkrijgen van verhoogde rechten    | \n|----------------|------|-------------------------------------|\n\nMicrosoft Windows DNS: \n|----------------|------|-------------------------------------|\n| CVE-ID         | CVSS | Impact                              |\n|----------------|------|-------------------------------------|\n| CVE-2026-41096 | 9.80 | Uitvoeren van willekeurige code     | \n|----------------|------|-------------------------------------|\n\nWindows Ancillary Function Driver for WinSock: \n|----------------|------|-------------------------------------|\n| CVE-ID         | CVSS | Impact                              |\n|----------------|------|-------------------------------------|\n| CVE-2026-34344 | 7.80 | Verkrijgen van verhoogde rechten    | \n| CVE-2026-34345 | 7.00 | Verkrijgen van verhoogde rechten    | \n| CVE-2026-35416 | 7.00 | Verkrijgen van verhoogde rechten    | \n| CVE-2026-41088 | 7.80 | Verkrijgen van verhoogde rechten    | \n|----------------|------|-------------------------------------|\n\nWindows Kernel: \n|----------------|------|-------------------------------------|\n| CVE-ID         | CVSS | Impact                              |\n|----------------|------|-------------------------------------|\n| CVE-2026-33841 | 7.80 | Verkrijgen van verhoogde rechten    | \n| CVE-2026-35420 | 7.80 | Verkrijgen van verhoogde rechten    | \n| CVE-2026-40369 | 7.80 | Verkrijgen van verhoogde rechten    | \n|----------------|------|-------------------------------------|\n\nWindows Secure Boot: \n|----------------|------|-------------------------------------|\n| CVE-ID         | CVSS | Impact                              |\n|----------------|------|-------------------------------------|\n| CVE-2026-41097 | 6.70 | Omzeilen van beveiligingsmaatregel  | \n|----------------|------|-------------------------------------|\n\nWindows Native WiFi Miniport Driver: \n|----------------|------|-------------------------------------|\n| CVE-ID         | CVSS | Impact                              |\n|----------------|------|-------------------------------------|\n| CVE-2026-32161 | 7.50 | Uitvoeren van willekeurige code     | \n|----------------|------|-------------------------------------|\n\nWindows Kernel-Mode Drivers: \n|----------------|------|-------------------------------------|\n| CVE-ID         | CVSS | Impact                              |\n|----------------|------|-------------------------------------|\n| CVE-2026-40408 | 7.80 | Verkrijgen van verhoogde rechten    | \n| CVE-2026-34332 | 8.00 | Uitvoeren van willekeurige code     | \n|----------------|------|-------------------------------------|\n\nTelnet Client: \n|----------------|------|-------------------------------------|\n| CVE-ID         | CVSS | Impact                              |\n|----------------|------|-------------------------------------|\n| CVE-2026-35423 | 5.40 | Toegang tot gevoelige gegevens      | \n|----------------|------|-------------------------------------|\n\nWindows Print Spooler Components: \n|----------------|------|-------------------------------------|\n| CVE-ID         | CVSS | Impact                              |\n|----------------|------|-------------------------------------|\n| CVE-2026-34342 | 7.00 | Verkrijgen van verhoogde rechten    | \n|----------------|------|-------------------------------------|\n\nWindows SMB Client: \n|----------------|------|-------------------------------------|\n| CVE-ID         | CVSS | Impact                              |\n|----------------|------|-------------------------------------|\n| CVE-2026-40410 | 7.00 | Verkrijgen van verhoogde rechten    | \n|----------------|------|-------------------------------------|\n\nWindows Storage Spaces Controller: \n|----------------|------|-------------------------------------|\n| CVE-ID         | CVSS | Impact                              |\n|----------------|------|-------------------------------------|\n| CVE-2026-35415 | 7.80 | Verkrijgen van verhoogde rechten    | \n|----------------|------|-------------------------------------|\n\nWindows Filtering Platform (WFP): \n|----------------|------|-------------------------------------|\n| CVE-ID         | CVSS | Impact                              |\n|----------------|------|-------------------------------------|\n| CVE-2026-32209 | 4.40 | Omzeilen van beveiligingsmaatregel  | \n|----------------|------|-------------------------------------|\n\nWindows Volume Manager Extension Driver: \n|----------------|------|-------------------------------------|\n| CVE-ID         | CVSS | Impact                              |\n|----------------|------|-------------------------------------|\n| CVE-2026-40380 | 6.20 | Uitvoeren van willekeurige code     | \n|----------------|------|-------------------------------------|\n\nWindows Cryptographic Services: \n|----------------|------|-------------------------------------|\n| CVE-ID         | CVSS | Impact                              |\n|----------------|------|-------------------------------------|\n| CVE-2026-40377 | 7.80 | Verkrijgen van verhoogde rechten    | \n|----------------|------|-------------------------------------|\n\nWindows Win32K - GRFX: \n|----------------|------|-------------------------------------|\n| CVE-ID         | CVSS | Impact                              |\n|----------------|------|-------------------------------------|\n| CVE-2026-33839 | 7.00 | Verkrijgen van verhoogde rechten    | \n| CVE-2026-34330 | 7.80 | Verkrijgen van verhoogde rechten    | \n| CVE-2026-34331 | 7.00 | Verkrijgen van verhoogde rechten    | \n| CVE-2026-34333 | 7.80 | Verkrijgen van verhoogde rechten    | \n| CVE-2026-34347 | 7.00 | Verkrijgen van verhoogde rechten    | \n| CVE-2026-40403 | 8.80 | Uitvoeren van willekeurige code     | \n|----------------|------|-------------------------------------|\n\nWindows Admin Center: \n|----------------|------|-------------------------------------|\n| CVE-ID         | CVSS | Impact                              |\n|----------------|------|-------------------------------------|\n| CVE-2026-35438 | 8.30 | Verkrijgen van verhoogde rechten    | \n|----------------|------|-------------------------------------|\n\nWindows Hyper-V: \n|----------------|------|-------------------------------------|\n| CVE-ID         | CVSS | Impact                              |\n|----------------|------|-------------------------------------|\n| CVE-2026-40402 | 9.30 | Verkrijgen van verhoogde rechten    | \n|----------------|------|-------------------------------------|\n\nWindows Rich Text Edit Control: \n|----------------|------|-------------------------------------|\n| CVE-ID         | CVSS | Impact                              |\n|----------------|------|-------------------------------------|\n| CVE-2026-32170 | 6.70 | Verkrijgen van verhoogde rechten    | \n|----------------|------|-------------------------------------|\n\nWindows Event Logging Service: \n|----------------|------|-------------------------------------|\n| CVE-ID         | CVSS | Impact                              |\n|----------------|------|-------------------------------------|\n| CVE-2026-33834 | 7.80 | Verkrijgen van verhoogde rechten    | \n|----------------|------|-------------------------------------|\n\nWindows Internet Key Exchange (IKE) Protocol: \n|----------------|------|-------------------------------------|\n| CVE-ID         | CVSS | Impact                              |\n|----------------|------|-------------------------------------|\n| CVE-2026-35424 | 7.50 | Denial-of-Service                   | \n|----------------|------|-------------------------------------|\n\nWindows Netlogon: \n|----------------|------|-------------------------------------|\n| CVE-ID         | CVSS | Impact                              |\n|----------------|------|-------------------------------------|\n| CVE-2026-41089 | 9.80 | Uitvoeren van willekeurige code     | \n|----------------|------|-------------------------------------|\n\nWindows Storport Miniport Driver: \n|----------------|------|-------------------------------------|\n| CVE-ID         | CVSS | Impact                              |\n|----------------|------|-------------------------------------|\n| CVE-2026-34350 | 6.50 | Denial-of-Service                   | \n|----------------|------|-------------------------------------|\n\nWindows Common Log File System Driver: \n|----------------|------|-------------------------------------|\n| CVE-ID         | CVSS | Impact                              |\n|----------------|------|-------------------------------------|\n| CVE-2026-40407 | 7.80 | Verkrijgen van verhoogde rechten    | \n| CVE-2026-40397 | 7.80 | Verkrijgen van verhoogde rechten    | \n|----------------|------|-------------------------------------|\n\nWindows Cloud Files Mini Filter Driver: \n|----------------|------|-------------------------------------|\n| CVE-ID         | CVSS | Impact                              |\n|----------------|------|-------------------------------------|\n| CVE-2026-35418 | 7.80 | Verkrijgen van verhoogde rechten    | \n| CVE-2026-33835 | 7.80 | Verkrijgen van verhoogde rechten    | \n| CVE-2026-34337 | 7.80 | Verkrijgen van verhoogde rechten    | \n|----------------|------|-------------------------------------|\n\nWindows Win32K - ICOMP: \n|----------------|------|-------------------------------------|\n| CVE-ID         | CVSS | Impact                              |\n|----------------|------|-------------------------------------|\n| CVE-2026-33840 | 7.80 | Verkrijgen van verhoogde rechten    | \n| CVE-2026-35417 | 7.80 | Verkrijgen van verhoogde rechten    | \n|----------------|------|-------------------------------------|\n\nWindows GDI: \n|----------------|------|-------------------------------------|\n| CVE-ID         | CVSS | Impact                              |\n|----------------|------|-------------------------------------|\n| CVE-2026-35421 | 7.80 | Uitvoeren van willekeurige code     | \n|----------------|------|-------------------------------------|\n\nWindows Rich Text Edit: \n|----------------|------|-------------------------------------|\n| CVE-ID         | CVSS | Impact                              |\n|----------------|------|-------------------------------------|\n| CVE-2026-21530 | 6.70 | Verkrijgen van verhoogde rechten    | \n|----------------|------|-------------------------------------|\n\nWindows TCP/IP: \n|----------------|------|-------------------------------------|\n| CVE-ID         | CVSS | Impact                              |\n|----------------|------|-------------------------------------|\n| CVE-2026-34351 | 7.80 | Verkrijgen van verhoogde rechten    | \n| CVE-2026-35422 | 6.50 | Omzeilen van beveiligingsmaatregel  | \n| CVE-2026-40399 | 7.80 | Verkrijgen van verhoogde rechten    | \n| CVE-2026-40405 | 7.50 | Denial-of-Service                   | \n| CVE-2026-40406 | 7.50 | Toegang tot gevoelige gegevens      | \n| CVE-2026-40414 | 7.40 | Denial-of-Service                   | \n| CVE-2026-40415 | 8.10 | Uitvoeren van willekeurige code     | \n| CVE-2026-33837 | 7.80 | Verkrijgen van verhoogde rechten    | \n| CVE-2026-34334 | 7.80 | Verkrijgen van verhoogde rechten    | \n| CVE-2026-40401 | 6.20 | Denial-of-Service                   | \n| CVE-2026-40413 | 7.40 | Denial-of-Service                   | \n|----------------|------|-------------------------------------|\n\nWindows LDAP - Lightweight Directory Access Protocol: \n|----------------|------|-------------------------------------|\n| CVE-ID         | CVSS | Impact                              |\n|----------------|------|-------------------------------------|\n| CVE-2026-34339 | 5.50 | Denial-of-Service                   | \n|----------------|------|-------------------------------------|\n\nWindows Telephony Service: \n|----------------|------|-------------------------------------|\n| CVE-ID         | CVSS | Impact                              |\n|----------------|------|-------------------------------------|\n| CVE-2026-42825 | 7.00 | Verkrijgen van verhoogde rechten    | \n| CVE-2026-34338 | 7.80 | Verkrijgen van verhoogde rechten    | \n| CVE-2026-40382 | 7.80 | Verkrijgen van verhoogde rechten    | \n|----------------|------|-------------------------------------|\n\nWindows Message Queuing: \n|----------------|------|-------------------------------------|\n| CVE-ID         | CVSS | Impact                              |\n|----------------|------|-------------------------------------|\n| CVE-2026-34329 | 8.80 | Uitvoeren van willekeurige code     | \n| CVE-2026-33838 | 7.80 | Verkrijgen van verhoogde rechten    | \n|----------------|------|-------------------------------------|\n\nWindows DWM Core Library: \n|----------------|------|-------------------------------------|\n| CVE-ID         | CVSS | Impact                              |\n|----------------|------|-------------------------------------|\n| CVE-2026-35419 | 5.50 | Toegang tot gevoelige gegevens      | \n| CVE-2026-42896 | 7.80 | Verkrijgen van verhoogde rechten    | \n| CVE-2026-34336 | 7.80 | Toegang tot gevoelige gegevens      | \n|----------------|------|-------------------------------------|\n\nWindows Link-Layer Discovery Protocol (LLDP): \n|----------------|------|-------------------------------------|\n| CVE-ID         | CVSS | Impact                              |\n|----------------|------|-------------------------------------|\n| CVE-2026-34341 | 7.00 | Verkrijgen van verhoogde rechten    | \n|----------------|------|-------------------------------------|\n\n```", "creation_timestamp": "2026-05-12T15:52:42.000000Z"}]}