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Patch Tuesday · Tuesday 13 January 2026

January 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.

← Dec 2025Feb 2026 →
Superseded

Newer updates replace January 2026.

no open known issues from these updates; out-of-band fixes followed on 17 Jan, 24 Jan. The cards below show what to deploy for each Windows version and why.

Exploited fixed
0
In CISA KEV
0
Open known issues
0
Out-of-band
12

What to deploy, per Windows version

Mark each Windows version deployed or not for you to track this month

Exploited and disclosed

All CVEs

Nothing exploited or disclosed

MSRC lists no exploited or publicly disclosed Microsoft CVEs for this release.

Known issues from this month's updates

Windows release health

No known issues

Microsoft lists no known issues caused by this month's updates.

What people are saying

News and community
Out-of-band releases18

Most affected components

MSRC component data is not collected for this release.

ChangeIntel is an independent tool and is not affiliated with or endorsed by Microsoft. Microsoft, Windows, Microsoft 365, Azure, and related names are trademarks of the Microsoft group of companies. Data comes from public sources listed on Sources; every item links to its original page. Dates and statuses can change after they are read. Built by Evotec. This is the public demo. It can also run on your own server, with your Microsoft 365 tenant and device data kept inside your network; Evotec can help you deploy and extend it.