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

Release calendar · February 2030

Fri 1 Feb

Sat 2 Feb

Sun 3 Feb

Mon 4 Feb

Tue 5 Feb

Wed 6 Feb

Thu 7 Feb

Fri 8 Feb

Sat 9 Feb

Sun 10 Feb

Mon 11 Feb

Tue 12 Feb

Patch Tuesday

Wed 13 Feb

Thu 14 Feb

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Sat 16 Feb

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Mon 18 Feb

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Wed 20 Feb

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Fri 22 Feb

Sat 23 Feb

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Mon 25 Feb

Tue 26 Feb

Wed 27 Feb

Thu 28 Feb

Patch Tuesday and security (B) releasesPreview (D) releasesOut-of-band releases.NET Framework servicing packagesEdge, Office, Teams, Defender and server releasesAll product versions