Tuesday 8 April 2025
April 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Superseded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 April 2025.
The CVEs it fixes are unknown; no open known issues found in the current public evidence; out-of-band fixes followed on 11 Apr, 16 Apr. See November 2026 Patch Tuesday.
MSRC's April 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
- 7
Release calendar · June 2030
Sat 1 Jun
Sun 2 Jun
Mon 3 Jun
Tue 4 Jun
Wed 5 Jun
Thu 6 Jun
Fri 7 Jun
Sat 8 Jun
Sun 9 Jun
Mon 10 Jun
Tue 11 Jun
Wed 12 Jun
Thu 13 Jun
Fri 14 Jun
Sat 15 Jun
Sun 16 Jun
Mon 17 Jun
Tue 18 Jun
Wed 19 Jun
Thu 20 Jun
Fri 21 Jun
Sat 22 Jun
Sun 23 Jun
Mon 24 Jun
Tue 25 Jun
Wed 26 Jun
Thu 27 Jun
Fri 28 Jun
Sat 29 Jun
Sun 30 Jun
Patch Tuesday and security (B) releasesPreview (D) releasesOut-of-band releases.NET Framework servicing packagesEdge, Office, Teams, Defender and server releasesAll product versions