Tuesday 14 October 2025

October 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.

← Sep 2025 Nov 2025 →

Evidence incomplete

October 2025: public evidence is incomplete.

The CVEs it fixes are unknown; no open known issues found in the current public evidence; out-of-band fixes followed on 20 Oct, 23 Oct.

MSRC's October 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: 5

What to deploy, per Windows version

Mark each version deployed or not for you

All 12 versions:Urgency: UnknownMSRC's October 2025 document isn't collected, so the CVEs it fixes are unknownNo known issues linked to this update were identified in the collected Windows release health data

Windows version	Verdict	Update	Risk	Why
Win 11 25H2	Superseded	KB5070773 OOB 20 Oct	Moderate	Superseded by KB5132061 (security update, 10 Nov), which includes its fixes +2 more
Win 11 24H2	Superseded	KB5070881 OOB 23 Oct	Moderate	Superseded by KB5132061 (security update, 10 Nov), which includes its fixes +2 more
Win 11 23H2	Superseded	KB5066793 B 14 Oct	Moderate	Superseded by KB5131087 (security update, 10 Nov), which includes its fixes +1 more
Win 11 22H2	Evidence incomplete	KB5066793 B 14 Oct	Low	Released 393 days ago
Win 10 22H2	Superseded	KB5066791 B 14 Oct	Moderate	Superseded by KB5131096 (security update, 10 Nov), which includes its fixes +1 more
Win 10 21H2	Superseded	KB5066791 B 14 Oct	Moderate	Superseded by KB5131096 (security update, 10 Nov), which includes its fixes +1 more
Win 10 1809	Superseded	KB5070883 OOB 23 Oct	Moderate	Superseded by KB5131085 (security update, 10 Nov), which includes its fixes +2 more
Win 10 1607	Superseded	KB5070882 OOB 23 Oct	Moderate	Superseded by KB5131291 (security update, 10 Nov), which includes its fixes +2 more
Server 2025	Superseded	KB5070881 OOB 23 Oct	Moderate	Superseded by KB5131080 (security update, 10 Nov), which includes its fixes +2 more
Server 2022	Superseded	KB5070884 OOB 23 Oct	Moderate	Superseded by KB5131090 (security update, 10 Nov), which includes its fixes +2 more
Server 2019	Superseded	KB5070883 OOB 23 Oct	Moderate	Superseded by KB5131085 (security update, 10 Nov), which includes its fixes +2 more
Server 2016	Superseded	KB5070882 OOB 23 Oct	Moderate	Superseded by KB5131291 (security update, 10 Nov), which includes its fixes +2 more

Verdicts read public signals for each update: fixed CVEs and their exploitation, known issues, and out-of-band follow-ups. Open an update for every reason and its builds.