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BDU:2026-06769

Vulnerability from fstec - Published: 12.05.2026
VLAI
Title
Уязвимость драйвера Windows Cloud Files Mini Filter Driver операционных систем Windows, позволяющая нарушителю повысить свои привилегии
Description
Уязвимость драйвера Windows Cloud Files Mini Filter Driver операционных систем Windows связана с использованием памяти после ее освобождения. Эксплуатация уязвимости может позволить нарушителю повысить свои привилегии
Vendor
Microsoft Corp
Software Name
Windows 11 26H1, Windows Server 2025, Windows 11 24H2, Windows Server 2022, 23H2 Edition (Server Core installation), Windows 11 23H2, Windows 11 25H2, Windows Server 2025 (Server Core installation), Windows 10 22H2, Windows 10 21H2, Windows Server 2022 (Server Core installation), Windows Server 2022, Windows Server 2019 (Server Core installation), Windows Server 2019, Windows 10 1809
Software Version
до 10.0.28000.2113 (Windows 11 26H1), до 10.0.26100.32860 (Windows Server 2025), до 10.0.26100.32772 (Windows Server 2025), до 10.0.26100.8457 (Windows 11 24H2), до 10.0.26100.8390 (Windows 11 24H2), до 10.0.25398.2330 (Windows Server 2022, 23H2 Edition (Server Core installation)), до 10.0.22631.7079 (Windows 11 23H2), до 10.0.26200.8457 (Windows 11 25H2), до 10.0.26200.8390 (Windows 11 25H2), до 10.0.26100.32860 (Windows Server 2025 (Server Core installation)), до 10.0.26100.32772 (Windows Server 2025 (Server Core installation)), до 10.0.19045.7291 (Windows 10 22H2), до 10.0.19044.7291 (Windows 10 21H2), до 10.0.20348.5139 (Windows Server 2022 (Server Core installation)), до 10.0.20348.5074 (Windows Server 2022 (Server Core installation)), до 10.0.20348.5139 (Windows Server 2022), до 10.0.20348.5074 (Windows Server 2022), до 10.0.17763.8755 (Windows Server 2019 (Server Core installation)), до 10.0.17763.8755 (Windows Server 2019), до 10.0.17763.8755 (Windows 10 1809)
Possible Mitigations
Использование рекомендаций производителя: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33835
Reference
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33835
CWE
CWE-416

{
  "CVSS 2.0": "AV:L/AC:L/Au:S/C:C/I:C/A:C",
  "CVSS 3.0": "AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
  "CVSS 4.0": null,
  "remediation_\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440": "TO2702, TO2703, TO2704, TO2773",
  "remediation_\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435": "TO2702 \u041d\u0430\u043a\u043e\u043f\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0435 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 \u0434\u043b\u044f Windows Server 2019 \u0434\u043b\u044f x64 \u0441\u0438\u0441\u0442\u0435\u043c (KB5087538), TO2703 \u041d\u0430\u043a\u043e\u043f\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0435 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 \u0434\u043b\u044f Windows 11 24H2 \u0434\u043b\u044f x64 \u0441\u0438\u0441\u0442\u0435\u043c (KB5089549), TO2704 \u041d\u0430\u043a\u043e\u043f\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0435 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 \u0434\u043b\u044f Windows Server 2022 21H2 \u0434\u043b\u044f x64 \u0441\u0438\u0441\u0442\u0435\u043c (KB5087545), TO2773 \u041d\u0430\u043a\u043e\u043f\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0435 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 \u0434\u043b\u044f Windows 10 21H2 \u0434\u043b\u044f x64 \u0441\u0438\u0441\u0442\u0435\u043c (KB5087544)",
  "\u0412\u0435\u043d\u0434\u043e\u0440 \u041f\u041e": "Microsoft Corp",
  "\u0412\u0435\u0440\u0441\u0438\u044f \u041f\u041e": "\u0434\u043e 10.0.28000.2113 (Windows 11 26H1), \u0434\u043e 10.0.26100.32860 (Windows Server 2025), \u0434\u043e 10.0.26100.32772 (Windows Server 2025), \u0434\u043e 10.0.26100.8457 (Windows 11 24H2), \u0434\u043e 10.0.26100.8390 (Windows 11 24H2), \u0434\u043e 10.0.25398.2330 (Windows Server 2022, 23H2 Edition (Server Core installation)), \u0434\u043e 10.0.22631.7079 (Windows 11 23H2), \u0434\u043e 10.0.26200.8457 (Windows 11 25H2), \u0434\u043e 10.0.26200.8390 (Windows 11 25H2), \u0434\u043e 10.0.26100.32860 (Windows Server 2025 (Server Core installation)), \u0434\u043e 10.0.26100.32772 (Windows Server 2025 (Server Core installation)), \u0434\u043e 10.0.19045.7291 (Windows 10 22H2), \u0434\u043e 10.0.19044.7291 (Windows 10 21H2), \u0434\u043e 10.0.20348.5139 (Windows Server 2022 (Server Core installation)), \u0434\u043e 10.0.20348.5074 (Windows Server 2022 (Server Core installation)), \u0434\u043e 10.0.20348.5139 (Windows Server 2022), \u0434\u043e 10.0.20348.5074 (Windows Server 2022), \u0434\u043e 10.0.17763.8755 (Windows Server 2019 (Server Core installation)), \u0434\u043e 10.0.17763.8755 (Windows Server 2019), \u0434\u043e 10.0.17763.8755 (Windows 10 1809)",
  "\u0412\u043e\u0437\u043c\u043e\u0436\u043d\u044b\u0435 \u043c\u0435\u0440\u044b \u043f\u043e \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u044e": "\u0418\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u0430\u0446\u0438\u0439 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044f:\nhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33835",
  "\u0414\u0430\u0442\u0430 \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0438\u044f": "12.05.2026",
  "\u0414\u0430\u0442\u0430 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0435\u0433\u043e \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f": "14.05.2026",
  "\u0414\u0430\u0442\u0430 \u043f\u0443\u0431\u043b\u0438\u043a\u0430\u0446\u0438\u0438": "14.05.2026",
  "\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440": "BDU:2026-06769",
  "\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440\u044b \u0434\u0440\u0443\u0433\u0438\u0445 \u0441\u0438\u0441\u0442\u0435\u043c \u043e\u043f\u0438\u0441\u0430\u043d\u0438\u0439 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "CVE-2026-33835",
  "\u0418\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044f \u043e\u0431 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430",
  "\u041a\u043b\u0430\u0441\u0441 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043a\u043e\u0434\u0430",
  "\u041d\u0430\u0437\u0432\u0430\u043d\u0438\u0435 \u041f\u041e": "Windows 11 26H1, Windows Server 2025, Windows 11 24H2, Windows Server 2022, 23H2 Edition (Server Core installation), Windows 11 23H2, Windows 11 25H2, Windows Server 2025 (Server Core installation), Windows 10 22H2, Windows 10 21H2, Windows Server 2022 (Server Core installation), Windows Server 2022, Windows Server 2019 (Server Core installation), Windows Server 2019, Windows 10 1809",
  "\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435 \u041e\u0421 \u0438 \u0442\u0438\u043f \u0430\u043f\u043f\u0430\u0440\u0430\u0442\u043d\u043e\u0439 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b": "Microsoft Corp Windows 11 26H1 \u0434\u043e 10.0.28000.2113 ARM64, Microsoft Corp Windows 11 26H1 \u0434\u043e 10.0.28000.2113 64-bit, Microsoft Corp Windows Server 2025 \u0434\u043e 10.0.26100.32860 , Microsoft Corp Windows Server 2025 \u0434\u043e 10.0.26100.32772 , Microsoft Corp Windows 11 24H2 \u0434\u043e 10.0.26100.8457 64-bit, Microsoft Corp Windows 11 24H2 \u0434\u043e 10.0.26100.8390 64-bit, Microsoft Corp Windows 11 24H2 \u0434\u043e 10.0.26100.8457 ARM64, Microsoft Corp Windows 11 24H2 \u0434\u043e 10.0.26100.8390 ARM64, Microsoft Corp Windows Server 2022, 23H2 Edition (Server Core installation) \u0434\u043e 10.0.25398.2330 , Microsoft Corp Windows 11 23H2 \u0434\u043e 10.0.22631.7079 64-bit, Microsoft Corp Windows 11 23H2 \u0434\u043e 10.0.22631.7079 ARM64, Microsoft Corp Windows 11 25H2 \u0434\u043e 10.0.26200.8457 64-bit, Microsoft Corp Windows 11 25H2 \u0434\u043e 10.0.26200.8390 64-bit, Microsoft Corp Windows 11 25H2 \u0434\u043e 10.0.26200.8457 ARM64, Microsoft Corp Windows 11 25H2 \u0434\u043e 10.0.26200.8390 ARM64, Microsoft Corp Windows Server 2025 (Server Core installation) \u0434\u043e 10.0.26100.32860 , Microsoft Corp Windows Server 2025 (Server Core installation) \u0434\u043e 10.0.26100.32772 , Microsoft Corp Windows 10 22H2 \u0434\u043e 10.0.19045.7291 32-bit, Microsoft Corp Windows 10 22H2 \u0434\u043e 10.0.19045.7291 ARM64, Microsoft Corp Windows 10 22H2 \u0434\u043e 10.0.19045.7291 64-bit, Microsoft Corp Windows 10 21H2 \u0434\u043e 10.0.19044.7291 64-bit, Microsoft Corp Windows 10 21H2 \u0434\u043e 10.0.19044.7291 ARM64, Microsoft Corp Windows 10 21H2 \u0434\u043e 10.0.19044.7291 32-bit, Microsoft Corp Windows Server 2022 (Server Core installation) \u0434\u043e 10.0.20348.5139 , Microsoft Corp Windows Server 2022 (Server Core installation) \u0434\u043e 10.0.20348.5074 , Microsoft Corp Windows Server 2022 \u0434\u043e 10.0.20348.5139 , Microsoft Corp Windows Server 2022 \u0434\u043e 10.0.20348.5074 , Microsoft Corp Windows Server 2019 (Server Core installation) \u0434\u043e 10.0.17763.8755 , Microsoft Corp Windows Server 2019 \u0434\u043e 10.0.17763.8755 , Microsoft Corp Windows 10 1809 \u0434\u043e 10.0.17763.8755 64-bit, Microsoft Corp Windows 10 1809 \u0434\u043e 10.0.17763.8755 32-bit",
  "\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0434\u0440\u0430\u0439\u0432\u0435\u0440\u0430 Windows Cloud Files Mini Filter Driver \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c Windows, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f \u043d\u0430\u0440\u0443\u0448\u0438\u0442\u0435\u043b\u044e \u043f\u043e\u0432\u044b\u0441\u0438\u0442\u044c \u0441\u0432\u043e\u0438 \u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u0438",
  "\u041d\u0430\u043b\u0438\u0447\u0438\u0435 \u044d\u043a\u0441\u043f\u043b\u043e\u0439\u0442\u0430": "\u0414\u0430\u043d\u043d\u044b\u0435 \u0443\u0442\u043e\u0447\u043d\u044f\u044e\u0442\u0441\u044f",
  "\u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u043e\u0448\u0438\u0431\u043a\u0438 CWE": "\u0418\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u043f\u043e\u0441\u043b\u0435 \u043e\u0441\u0432\u043e\u0431\u043e\u0436\u0434\u0435\u043d\u0438\u044f (CWE-416)",
  "\u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0434\u0440\u0430\u0439\u0432\u0435\u0440\u0430 Windows Cloud Files Mini Filter Driver \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c Windows \u0441\u0432\u044f\u0437\u0430\u043d\u0430 \u0441 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c \u043f\u0430\u043c\u044f\u0442\u0438 \u043f\u043e\u0441\u043b\u0435 \u0435\u0435 \u043e\u0441\u0432\u043e\u0431\u043e\u0436\u0434\u0435\u043d\u0438\u044f. \u042d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u043c\u043e\u0436\u0435\u0442 \u043f\u043e\u0437\u0432\u043e\u043b\u0438\u0442\u044c \u043d\u0430\u0440\u0443\u0448\u0438\u0442\u0435\u043b\u044e \u043f\u043e\u0432\u044b\u0441\u0438\u0442\u044c \u0441\u0432\u043e\u0438 \u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u0438",
  "\u041f\u043e\u0441\u043b\u0435\u0434\u0441\u0442\u0432\u0438\u044f \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": null,
  "\u041f\u0440\u043e\u0447\u0430\u044f \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044f": null,
  "\u0421\u0432\u044f\u0437\u044c \u0441 \u0438\u043d\u0446\u0438\u0434\u0435\u043d\u0442\u0430\u043c\u0438 \u0418\u0411": "\u0414\u0430\u043d\u043d\u044b\u0435 \u0443\u0442\u043e\u0447\u043d\u044f\u044e\u0442\u0441\u044f",
  "\u0421\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u0430",
  "\u0421\u043f\u043e\u0441\u043e\u0431 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u044f": "\u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f",
  "\u0421\u043f\u043e\u0441\u043e\u0431 \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438": "\u041c\u0430\u043d\u0438\u043f\u0443\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0430\u043c\u0438 \u0434\u0430\u043d\u043d\u044b\u0445",
  "\u0421\u0441\u044b\u043b\u043a\u0438 \u043d\u0430 \u0438\u0441\u0442\u043e\u0447\u043d\u0438\u043a\u0438": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33835",
  "\u0421\u0442\u0430\u0442\u0443\u0441 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u041f\u043e\u0434\u0442\u0432\u0435\u0440\u0436\u0434\u0435\u043d\u0430 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u0435\u043c",
  "\u0422\u0438\u043f \u041f\u041e": "\u041e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u0430\u044f \u0441\u0438\u0441\u0442\u0435\u043c\u0430",
  "\u0422\u0438\u043f \u043e\u0448\u0438\u0431\u043a\u0438 CWE": "CWE-416",
  "\u0423\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0421\u0440\u0435\u0434\u043d\u0438\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 (\u0431\u0430\u0437\u043e\u0432\u0430\u044f \u043e\u0446\u0435\u043d\u043a\u0430 CVSS 2.0 \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 6,8)\n\u0412\u044b\u0441\u043e\u043a\u0438\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 (\u0431\u0430\u0437\u043e\u0432\u0430\u044f \u043e\u0446\u0435\u043d\u043a\u0430 CVSS 3.1 \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 7,8)"
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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Detection rules are retrieved from Rulezet.

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Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


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