{"uuid": "f98b3c19-8836-41bb-8c24-8d6b34432607", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-45498", "type": "seen", "source": "https://mastodon.social/ap/users/115426718704364579/statuses/116619811118984669", "content": "\ud83d\udcf0 Warning: Microsoft Defender Flaws Actively Exploited to Gain SYSTEM Privileges\n\u26a0\ufe0f ACTIVE EXPLOITATION ALERT: Flaws in Microsoft Defender (CVE-2026-41091, CVE-2026-45498) are being used by attackers to gain SYSTEM privileges and disable AV. Patch the Malware Protection Engine immediately! #CyberSecurity #Vulnerability #PatchNow\n\ud83c\udf10 cyber[.]netsecops[.]io\n\ud83d\udd17 https://cyber.netsecops.io/articles/microsoft-defender-vulnerabilities-actively-exploited-for-privilege-escalati\u2026", "creation_timestamp": "2026-05-22T19:11:40.403519Z"}