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 · January 2030

Tue 1 Jan

Wed 2 Jan

Thu 3 Jan

Fri 4 Jan

Sat 5 Jan

Sun 6 Jan

Mon 7 Jan

Tue 8 Jan

Patch Tuesday

Wed 9 Jan

Thu 10 Jan

Fri 11 Jan

Sat 12 Jan

Sun 13 Jan

Mon 14 Jan

Tue 15 Jan

Wed 16 Jan

Thu 17 Jan

Fri 18 Jan

Sat 19 Jan

Sun 20 Jan

Mon 21 Jan

Tue 22 Jan

Wed 23 Jan

Thu 24 Jan

Fri 25 Jan

Sat 26 Jan

Sun 27 Jan

Mon 28 Jan

Tue 29 Jan

Wed 30 Jan

Thu 31 Jan

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