CVE-2025-54101

Windows SMB Client Remote Code Execution Vulnerability

CVE-2025-54101 is fixed in 27 products on 1 platform, first by KB5065427, released September 9, 2025. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
4.8
Important
Exploitation
None reported
Exploitation Less Likely
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0312
87th percentile

<p>Use after free in Windows SMBv3 Client allows an authorized attacker to execute code over a network.</p>

Where it's fixed

ProductFixed inFixReleased
Microsoft
Windows 10 Version 1607 for 32-bit Systems 14393.8422 KB5065427 Sep 9, 2025
Windows 10 Version 1607 for x64-based Systems 14393.8422 KB5065427 Sep 9, 2025
Windows 10 Version 1809 for 32-bit Systems 17763.7792 KB5065428 Sep 9, 2025
Windows 10 Version 1809 for x64-based Systems 17763.7792 KB5065428 Sep 9, 2025
Windows 10 Version 21H2 for 32-bit Systems KB5065429 Sep 9, 2025
Windows 10 Version 21H2 for ARM64-based Systems KB5065429 Sep 9, 2025
Windows 10 Version 21H2 for x64-based Systems KB5065429 Sep 9, 2025
Windows 10 Version 22H2 for 32-bit Systems KB5065429 Sep 9, 2025
Windows 10 Version 22H2 for ARM64-based Systems KB5065429 Sep 9, 2025
Windows 10 Version 22H2 for x64-based Systems KB5065429 Sep 9, 2025
Windows 10 for 32-bit Systems 10240.21128 KB5065430 Sep 9, 2025
Windows 10 for x64-based Systems 10240.21128 KB5065430 Sep 9, 2025
Windows 11 Version 22H2 for ARM64-based Systems KB5065431 Sep 9, 2025
Windows 11 Version 22H2 for x64-based Systems KB5065431 Sep 9, 2025
Windows 11 Version 23H2 for ARM64-based Systems KB5065431 Sep 9, 2025
Windows 11 Version 23H2 for x64-based Systems KB5065431 Sep 9, 2025
Windows Server 2012 KB5065509 Sep 9, 2025
Windows Server 2012 (Server Core installation) KB5065509 Sep 9, 2025
Windows Server 2012 R2 KB5065507 Sep 9, 2025
Windows Server 2012 R2 (Server Core installation) KB5065507 Sep 9, 2025
Windows Server 2016 14393.8422 KB5065427 Sep 9, 2025
Windows Server 2016 (Server Core installation) 14393.8422 KB5065427 Sep 9, 2025
Windows Server 2019 17763.7792 KB5065428 Sep 9, 2025
Windows Server 2019 (Server Core installation) 17763.7792 KB5065428 Sep 9, 2025
Windows Server 2022 20348.4171 KB5065432 Sep 9, 2025
Windows Server 2022 20348.4106 KB5065306 Sep 9, 2025
Windows Server 2022 (Server Core installation) 20348.4171 KB5065432 Sep 9, 2025
Windows Server 2022 (Server Core installation) 20348.4106 KB5065306 Sep 9, 2025
Windows Server 2022, 23H2 Edition (Server Core installation) 25398.1849 KB5065425 Sep 9, 2025

Patch Radar data is free to use with attribution. Terms and how to credit it.

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.