Microsoft August 2026 Patch Tuesday fixes 400 flaws, 3 zero-days
Source Bleeping Computer
Rated Critical by Threat Radar from the Bleeping Computer text
Data as of 11 Aug 2026, 18:11 UTC
What to do
AI-suggested
Microsoft has released official security updates that address all 400 vulnerabilities, including the three zero-days. Applying these patches promptly is the recommended mitigation. Since this is a traditional on-premises software update (not a cloud service), system administrators should deploy the August 2026 updates from Microsoft’s official channels to remediate the vulnerabilities. Patch status is confirmed as 'official-fix' by the vendor.
Description
Microsoft's August 2026 Patch Tuesday includes security updates addressing 400 vulnerabilities, among which are three zero-day flaws—one actively exploited and two publicly disclosed. These patches cover a broad range of Microsoft products and aim to mitigate critical security risks. No specific affected versions or detailed vulnerability descriptions are provided in this summary.