Tuesday 14 April 2026

April 2026: 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.

← Mar 2026 May 2026 →

Superseded

Newer updates replace April 2026.

The CVEs it fixes are unknown; no open known issues found in the current public evidence; out-of-band fixes followed on 19 Apr. See November 2026 Patch Tuesday.

MSRC's April 2026 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: 4

Release calendar · December 2031

Mon 1 Dec

Tue 2 Dec

Wed 3 Dec

Thu 4 Dec

Fri 5 Dec

Sat 6 Dec

Sun 7 Dec

Mon 8 Dec

Tue 9 Dec

Patch Tuesday

Wed 10 Dec

Thu 11 Dec

Fri 12 Dec

Sat 13 Dec

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Mon 29 Dec

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Wed 31 Dec

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