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Patch Tuesday · Tuesday 11 August 2026

August 2026: is it safe to deploy?

What Microsoft fixed, how urgent it is, and whether anything broke, per Windows version, from Microsoft's release tables, release health, MSRC, CISA, and what the community reports.

← Jul 2026Sep 2026 →
Superseded

Newer updates replace August 2026.

Microsoft fixed 456 CVEs, 84 critical and 1 exploited; no open known issues from these updates. The cards below show what to deploy for each Windows version and why.

Exploited fixed
1
In CISA KEV
2
Open known issues
0
Out-of-band
0

What to deploy, per Windows version

Mark each Windows version deployed or not for you to track this month
456Microsoft CVEs 84Critical 1Exploited in the wild
3Publicly disclosed
135Revised since release

Exploited and disclosed

All CVEs
No KB listed

Known issues from this month's updates

Windows release health

What people are saying

News and community

Most affected components

Microsoft Office SharePoint 30
Microsoft Office 29
Microsoft Office Excel 28
Microsoft Office Word 18
Windows DNS 16

Recent releases

Microsoft CVEs per release · critical in solid
663 Jul3 exploited 456 Aug1 exploited
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