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

SecurityWeek Cybersecurity 08/12/2026, 02:46 Score 8/10

Summary

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 .

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