Microsoft Patch Tuesday August 2026, (Tue, Aug 11th)
Source SANS ISC Handlers Diary
Rated Critical by Threat Radar from the SANS ISC Handlers Diary text
Data as of 17 Aug 2026, 22:19 UTC
What to do
AI-suggested
Microsoft has released official patches addressing all 418 vulnerabilities reported in this update. Applying the August 2026 Patch Tuesday updates promptly is the recommended mitigation. Since this is a traditional on-premises software update, administrators should deploy the patches according to their organizational policies to remediate the vulnerabilities. No additional vendor advisories indicate that no action is required or that mitigations are already in place.
Description
This month we got patches for 418 vulnerabilities. Of these, 62 are critical, 1 is being exploited in the wild, and 2 were publicly disclosed as zero-days. Notable fixes include Windows privilege escalation, container tampering, and critical QUIC and DNS Server remote code execution bugs.