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Microsoft Patch Tuesday Aug 2026: 418 CVEs, 1 Exploited Zero-Day

2026-08-12 11:57 UTC · SANS ISC · read the source ↗ #patch-tuesday#microsoft#zero-day
  • Engineer — Act: With 62 critical CVEs including remote code execution in QUIC and DNS Server plus one actively exploited privilege escalation zero-day, prioritize patching Windows systems this week — target the exploited zero-day and RCE bugs in DNS Server and QUIC-enabled stacks first.
  • SOC/IR — Act: One vulnerability is confirmed exploited in the wild; hunt for privilege escalation activity on Windows endpoints since August 11 and tune EDR/SIEM detections for post-exploit behavior while engineering patches.
  • Leader — Plan: The scale (418 patches, 62 critical, active exploitation) warrants confirming your patch SLA is on track and reviewing exposure of any internet-facing Windows DNS infrastructure with your team this quarter.
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