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Superseded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 2023
Tue 1 Aug
Wed 2 Aug
Thu 3 Aug
Fri 4 Aug
Sat 5 Aug
Sun 6 Aug
Mon 7 Aug
Tue 8 Aug
Wed 9 Aug
Thu 10 Aug
Fri 11 Aug
Sat 12 Aug
Sun 13 Aug
Mon 14 Aug
Tue 15 Aug
Wed 16 Aug
Thu 17 Aug
Fri 18 Aug
Sat 19 Aug
Sun 20 Aug
Mon 21 Aug
Wed 23 Aug
Thu 24 Aug
Fri 25 Aug
Sat 26 Aug
Sun 27 Aug
Mon 28 Aug
Tue 29 Aug
Wed 30 Aug
Thu 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