Cybersecurity • Published August 11, 2026 • Source: SecurityWeek

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

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 .

Executive Summary & Key Takeaways

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 .

Developer & Industry Context

As technology rapidly advances, key updates in Cybersecurity directly impact developer workflows, open-source ecosystems, and IT security standards. Read the full original report directly on the publisher website below.