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Microsoft August 2026 Patch Tuesday security updates (3 zero-days)

Security Patch Release
First reported
Last updated
Happening score
H score 41
1 unique sources, 1 articles

Summary

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Microsoft released August 2026 Patch Tuesday updates for 400 flaws, including one actively exploited zero-day and two publicly disclosed zero-days. The release spans Windows and other Microsoft products, with fixes for remote code execution and elevation of privilege issues. Administrators should deploy the security updates now to reduce exposure to active exploitation.

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Timeline

  1. 11.08.2026 21:08 2 articles · 2h ago

    Microsoft releases August 2026 Patch Tuesday security updates for 400 flaws

    Initial Disclosure

    Microsoft released August 2026 Patch Tuesday security updates for 400 flaws, including CVE-2026-68820 in Windows Ancillary Function Driver for WinSock (AFD.sys), which can let a locally authenticated attacker gain SYSTEM privileges, plus two publicly disclosed zero-days in Windows User Profile Service (CVE-2026-62832) and Windows Container Isolation FS Filter Driver (unionfs.sys) (CVE-2026-72971). Check Point said Lazarus exploited CVE-2026-68820 to deploy a new version of FudModule, and Microsoft said the release also addresses 42 Critical vulnerabilities.

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