Warning: Microsoft Patch Tuesday August 2026 patches 398 vulnerabilities (42 Critical, 355 Important & 1 Moderate), Patch Immediately!

Microsoft's August 2026 Patch Tuesday addresses 398 vulnerabilities across multiple Windows products (42 critical, 355 important, 1 moderate), including three 0-day vulnerabilities and one actively exploited zero-day (CVE-2026-68820 affecting the WinSock ancillary driver). Multiple critical unauthenticated RCEs (CVSS 9.8) and numerous EoP and information-disclosure flaws are detailed; the Centre for Cybersecurity Belgium urges urgent patching and enhanced monitoring to mitigate likely exploitation.