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Some sources, documents or advisories need attention: 274/275 feeds/APIs · 469/469 docs · 8/9 advisories · checked 15:16 UTC Customize Public modeDiscuss ChangeIntel on Discord
Tuesday 9 December 2025

December 2025: 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.

← Nov 2025Jan 2026 →
Superseded

Newer updates replace December 2025.

The CVEs it fixes are unknown; no open known issues found in the current public evidence; out-of-band fixes followed on 18 Dec. See November 2026 Patch Tuesday.

MSRC's December 2025 security update document isn't collected.

ChangeIntel's reading of public signals, not advice; check Microsoft's guidance and test before you deploy. Terms

Microsoft CVEs
Unknown
Exploited fixed
Unknown
In CISA KEV
Unknown
Open known issues
0
Out-of-band
3

Known issues from this month's updates

All

No known issues

Microsoft lists no known issues caused by this month's updates in the collected data.

Out-of-band releases

3 retained updates in this view
ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 11 Nov 15:16 UTC · 274 of 275 readable · 273 fully read · documentation 469/469 current

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