Microsoft Releases August 2026 Patch Tuesday Addressing 421 Vulnerabilities, Including One Actively Exploited Zero-Day

Microsoft's August 2026 Patch Tuesday includes fixes for 421 security vulnerabilities, with 62 critical and 357 important-severity issues. Notably, three zero-day vulnerabilities were addressed, one of which (CVE-2026-68820) affecting Windows Ancillary Function Driver for WinSock, is actively being exploited in the wild by North Korean attackers. This massive update highlights the increasing volume of software flaws, potentially influenced by AI-assisted vulnerability discovery.