Tuesday 12 August 2025
August 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.
Superseded
Newer updates replace August 2025.
The CVEs it fixes are unknown; no open known issues found in the current public evidence; out-of-band fixes followed on 19 Aug. See November 2026 Patch Tuesday.
MSRC's August 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
Release calendar · August 2025
Fri 1 Aug
Sat 2 Aug
Sun 3 Aug
Mon 4 Aug
Tue 5 Aug
Wed 6 Aug
Thu 7 Aug
Fri 8 Aug
Sat 9 Aug
Sun 10 Aug
Mon 11 Aug
Tue 12 Aug
Wed 13 Aug
Thu 14 Aug
Fri 15 Aug
Sat 16 Aug
Sun 17 Aug
Mon 18 Aug
Tue 19 Aug
Wed 20 Aug
Thu 21 Aug
Fri 22 Aug
Sat 23 Aug
Sun 24 Aug
Mon 25 Aug
Wed 27 Aug
Thu 28 Aug
Fri 29 Aug
Sat 30 Aug
Sun 31 Aug
Patch Tuesday and security (B) releasesPreview (D) releasesOut-of-band releases.NET Framework servicing packagesEdge, Office, Teams, Defender and server releasesAll product versions