INCIDENT EVIDENCE GRAPH

August 2026 Patch Tuesday: Microsoft Fixes 421 CVEs, One Exploited Zero-Day

2026-08-11T18:46:07Z

A use-after-free in the afd.sys Windows kernel-mode driver has been exploited to gain SYSTEM privileges. The post August 2026 Patch Tuesday: Microsoft Fixes 421 CVEs, One Exploited Zero-Day appeared first on SecurityWeek .

• Victim: Microsoft Windows
• Method: Exploitation of a use-after-free vulnerability to gain SYSTEM privileges

Primary evidence

1. August 2026 Patch Tuesday: Microsoft Fixes 421 CVEs, One Exploited Zero-Day

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