CVE-2025-21376

Windows Lightweight Directory Access Protocol (LDAP) Remote Code Execution Vulnerability

CVE-2025-21376 is fixed in 37 products on 1 platform, first by KB5052006, released February 11, 2025. It is not reported as exploited, but the vendor rates exploitation more likely. Patch Radar priority: Urgent.

Urgent
CVSS
8.1
Critical
Exploitation
More likely
Vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0931
95th percentile

Where it's fixed

ProductFixed inFixReleased
Microsoft
Windows 10 Version 1607 for 32-bit Systems 14393.7785 KB5052006 Feb 11, 2025
Windows 10 Version 1607 for x64-based Systems 14393.7785 KB5052006 Feb 11, 2025
Windows 10 Version 1809 for 32-bit Systems 17763.6893 KB5052000 Feb 11, 2025
Windows 10 Version 1809 for x64-based Systems 17763.6893 KB5052000 Feb 11, 2025
Windows 10 Version 21H2 for 32-bit Systems KB5051974 Feb 11, 2025
Windows 10 Version 21H2 for ARM64-based Systems KB5051974 Feb 11, 2025
Windows 10 Version 21H2 for x64-based Systems KB5051974 Feb 11, 2025
Windows 10 Version 22H2 for 32-bit Systems KB5051974 Feb 11, 2025
Windows 10 Version 22H2 for ARM64-based Systems KB5051974 Feb 11, 2025
Windows 10 Version 22H2 for x64-based Systems KB5051974 Feb 11, 2025
Windows 10 for 32-bit Systems 10240.20915 KB5052040 Feb 11, 2025
Windows 10 for x64-based Systems 10240.20915 KB5052040 Feb 11, 2025
Windows 11 Version 22H2 for ARM64-based Systems KB5051989 Feb 11, 2025
Windows 11 Version 22H2 for x64-based Systems KB5051989 Feb 11, 2025
Windows 11 Version 23H2 for ARM64-based Systems KB5051989 Feb 11, 2025
Windows 11 Version 23H2 for x64-based Systems KB5051989 Feb 11, 2025
Windows 11 Version 24H2 for ARM64-based Systems 26100.3194 KB5051987 Feb 11, 2025
Windows 11 Version 24H2 for ARM64-based Systems 26100.3107 KB5052105 Feb 11, 2025
Windows 11 Version 24H2 for x64-based Systems 26100.3194 KB5051987 Feb 11, 2025
Windows 11 Version 24H2 for x64-based Systems 26100.3107 KB5052105 Feb 11, 2025
Windows Server 2008 R2 for x64-based Systems Service Pack 1 KB5052032 Feb 11, 2025
Windows Server 2008 R2 for x64-based Systems Service Pack 1 KB5052016 Feb 11, 2025
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) KB5052032 Feb 11, 2025
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) KB5052016 Feb 11, 2025
Windows Server 2008 for 32-bit Systems Service Pack 2 KB5052072 Feb 11, 2025
Windows Server 2008 for 32-bit Systems Service Pack 2 KB5052038 Feb 11, 2025
Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) KB5052072 Feb 11, 2025
Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) KB5052038 Feb 11, 2025
Windows Server 2008 for x64-based Systems Service Pack 2 KB5052072 Feb 11, 2025
Windows Server 2008 for x64-based Systems Service Pack 2 KB5052038 Feb 11, 2025
Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) KB5052072 Feb 11, 2025
Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) KB5052038 Feb 11, 2025
Windows Server 2012 KB5052020 Feb 11, 2025
Windows Server 2012 (Server Core installation) KB5052020 Feb 11, 2025
Windows Server 2012 R2 KB5052042 Feb 11, 2025
Windows Server 2012 R2 (Server Core installation) KB5052042 Feb 11, 2025
Windows Server 2016 14393.7785 KB5052006 Feb 11, 2025
Windows Server 2016 (Server Core installation) 14393.7785 KB5052006 Feb 11, 2025
Windows Server 2019 17763.6893 KB5052000 Feb 11, 2025
Windows Server 2019 (Server Core installation) 17763.6893 KB5052000 Feb 11, 2025
Windows Server 2022 20348.3207 KB5051979 Feb 11, 2025
Windows Server 2022 20348.3148 KB5052106 Feb 11, 2025
Windows Server 2022 (Server Core installation) 20348.3207 KB5051979 Feb 11, 2025
Windows Server 2022 (Server Core installation) 20348.3148 KB5052106 Feb 11, 2025
Windows Server 2022, 23H2 Edition (Server Core installation) 25398.1425 KB5051980 Feb 11, 2025
Windows Server 2025 26100.3194 KB5051987 Feb 11, 2025
Windows Server 2025 26100.3107 KB5052105 Feb 11, 2025
Windows Server 2025 (Server Core installation) 26100.3194 KB5051987 Feb 11, 2025
Windows Server 2025 (Server Core installation) 26100.3107 KB5052105 Feb 11, 2025

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