Microsoft August Patch: 400+ Major Fixes

**Executive Summary:** Microsoft released its August 11, 2026 security updates addressing approximately 400 vulnerabilities (including 42 Critical issues) and several zero-days; the bulletin calls out CVE-2026-68820 — an actively exploited afd.sys kernel privilege-escalation vulnerability — and urges organizations to prioritize patching, verify deployments, and monitor endpoints for suspicious activity.