Windows 11 23H2

End of Life

Latest Release

KB Article KB5078883
Build 10.0.22631.6783
Released 2026-03-10
Age 23 days ago
CVEs Fixed 41
Exploited 0
Release Type Patch Tuesday
End of Support (Home/Pro) 2025-11-11
End of Support (Ent/Edu) 2026-11-10
Security Information
February 2026 Security Update 2026-02-10 10.0.22631.6649
Out of Support Patch Tuesday 26 CVEs 5 KEV Critical Risk
+28d
28 days since previous release  ·  Contains 5 actively exploited vulnerabilities
January 2026 Security Update 2026-01-13 10.0.22631.6491
Out of Support Patch Tuesday 79 CVEs 1 KEV Critical Risk
+35d
35 days since previous release  ·  Contains 1 actively exploited vulnerability
⚠️ Contains 1 actively exploited vulnerability
Recommendation: Update immediately — contains known-exploited vulnerabilities (CISA KEV)
KB Article
KB5073455
Build
10.0.22631.6491
Vulnerabilities
79
CISA KEV
1
Days to Prev.
35
Supersedes
KB5071417
CVEs (79)
December 2025 Security Update 2025-12-09 10.0.22631.6345
Out of Support Patch Tuesday 33 CVEs 1 KEV Critical Risk
+28d
28 days since previous release  ·  Contains 1 actively exploited vulnerability
November 2025 Security Update 2025-11-11 10.0.22631.6199
Out of Support Patch Tuesday 34 CVEs 1 KEV Critical Risk
+28d
28 days since previous release  ·  Contains 1 actively exploited vulnerability
October 2025 Security Update 2025-10-14 10.0.22631.6060
Out of Support Patch Tuesday 108 CVEs 3 KEV Critical Risk
+35d
35 days since previous release  ·  Contains 3 actively exploited vulnerabilities
⚠️ Contains 3 actively exploited vulnerabilities
Recommendation: Update immediately — contains known-exploited vulnerabilities (CISA KEV)
KB Article
KB5066793
Build
10.0.22631.6060
Vulnerabilities
108
CISA KEV
3
Days to Prev.
35
Supersedes
KB5065431
CVEs (108)
CVE-2016-95xx (1 CVE)
CVE-2025-24xx (2 CVEs)
CVE-2025-25xx (1 CVE)
CVE-2025-28xx (1 CVE)
CVE-2025-47xx (1 CVE)
CVE-2025-48xx (2 CVEs)
CVE-2025-49xx (1 CVE)
CVE-2025-50xx (2 CVEs)
CVE-2025-54xx (1 CVE)
July 2025 Security Update 2025-07-08 10.0.22631.5624
Out of Support Patch Tuesday 77 CVEs
+28d
28 days since previous release  ·  Addresses 77 security issues
ℹ️ Addresses 77 security issues
Recommendation: Update to stay secure — security fixes available
KB Article
KB5062552
Build
10.0.22631.5624
Vulnerabilities
77
Days to Prev.
28
Supersedes
KB5060999
CVEs (77)
June 2025 Security Update 2025-06-10 10.0.22631.5472
Out of Support Patch Tuesday 37 CVEs 2 KEV Critical Risk
+28d
28 days since previous release  ·  Contains 2 actively exploited vulnerabilities
May 2025 Security Update 2025-05-13 10.0.22631.5335
Out of Support Patch Tuesday 35 CVEs 5 KEV Critical Risk
+35d
35 days since previous release  ·  Contains 5 actively exploited vulnerabilities
April 2025 Security Update 2025-04-08 10.0.22631.5189
Out of Support Patch Tuesday 65 CVEs 1 KEV Critical Risk
Contains 1 actively exploited vulnerability