Windows Server 2025

Latest Release

KB Article KB5087539
Build 10.0.26100.32860
Released 2026-05-12
Age 8 days ago
CVEs Fixed 68
Exploited 0
Release Type Patch Tuesday
End of Support 2034-11-14
Security Information
May 2026 Security Update 2026-05-12 10.0.26100.32860
Patch Tuesday 68 CVEs
+28d
28 days since previous release  ·  Addresses 68 security issues
ℹ️ Addresses 68 security issues
Recommendation: Update to stay secure — security fixes available
KB Article
KB5087539
Build
10.0.26100.32860
Vulnerabilities
68
Days to Prev.
28
Supersedes
KB5082063
CVEs (68)
April 2026 Security Update 2026-04-14 10.0.26100.32690
Patch Tuesday 126 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
KB5082063
Build
10.0.26100.32690
Vulnerabilities
126
CISA KEV
1
Days to Prev.
35
Supersedes
KB5078740
CVEs (126)
CVE-2023-20xx (1 CVE)
CVE-2026-23xx (2 CVEs)
CVE-2026-25xx (2 CVEs)
CVE-2026-32xx (55 CVEs)
February 2026 Security Update 2026-02-10 10.0.26100.32370
Patch Tuesday 29 CVEs 5 KEV Critical Risk
+28d
28 days since previous release  ·  Contains 5 actively exploited vulnerabilities
January 2026 Security Update 2026-01-13 10.0.26100.32230
Patch Tuesday 85 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
KB5073379
Build
10.0.26100.32230
Vulnerabilities
85
CISA KEV
1
Days to Prev.
35
Supersedes
KB5072033
CVEs (85)
December 2025 Security Update 2025-12-09 10.0.26100.7462
Patch Tuesday 36 CVEs 1 KEV Critical Risk
+28d
28 days since previous release  ·  Contains 1 actively exploited vulnerability
November 2025 Security Update 2025-11-11 10.0.26100.7171
Patch Tuesday 35 CVEs 2 KEV Critical Risk
+28d
28 days since previous release  ·  Contains 2 actively exploited vulnerabilities
October 2025 Security Update 2025-10-14 10.0.26100.6899
Patch Tuesday 130 CVEs 4 KEV Critical Risk
+35d
35 days since previous release  ·  Contains 4 actively exploited vulnerabilities
⚠️ Contains 4 actively exploited vulnerabilities
Recommendation: Update immediately — contains known-exploited vulnerabilities (CISA KEV)
KB Article
KB5066835
Build
10.0.26100.6899
Vulnerabilities
130
CISA KEV
4
Days to Prev.
35
Supersedes
KB5065426
CVEs (130)
CVE-2016-95xx (1 CVE)
CVE-2025-24xx (2 CVEs)
CVE-2025-25xx (1 CVE)
CVE-2025-28xx (1 CVE)
CVE-2025-47xx (2 CVEs)
CVE-2025-48xx (2 CVEs)
CVE-2025-49xx (1 CVE)
CVE-2025-53xx (2 CVEs)
CVE-2025-54xx (1 CVE)
CVE-2025-59xx (52 CVEs)
August 2025 Security Update 2025-08-12 10.0.26100.4946
Patch Tuesday 67 CVEs
+35d
35 days since previous release  ·  Addresses 67 security issues
July 2025 Security Update 2025-07-08 10.0.26100.4652
Patch Tuesday 100 CVEs
+28d
28 days since previous release  ·  Addresses 100 security issues
ℹ️ Addresses 100 security issues
Recommendation: Update to stay secure — security fixes available
KB Article
KB5062553
Build
10.0.26100.4652
Vulnerabilities
100
Days to Prev.
28
Supersedes
KB5060842
CVEs (100)
CVE-2024-36xx (2 CVEs)
CVE-2025-26xx (1 CVE)
CVE-2025-33xx (1 CVE)
CVE-2025-69xx (1 CVE)
June 2025 Security Update 2025-06-10 10.0.26100.4349
Patch Tuesday 42 CVEs 2 KEV Critical Risk
+28d
28 days since previous release  ·  Contains 2 actively exploited vulnerabilities
May 2025 Security Update 2025-05-13 10.0.26100.4061
Patch Tuesday 39 CVEs 5 KEV Critical Risk
Contains 5 actively exploited vulnerabilities