Windows SMB Client Remote Code Execution Vulnerability
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 4.8epss 2.5%
exploitation probability
2.5%top 16% of all CVEs
observed exploitation
nono source reports it
Use after free in Windows SMBv3 Client allows an authorized attacker to execute code over a network.
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C
Affected products
Microsoft · Windows 10 Version 1507Microsoft · Windows 10 Version 1607Microsoft · Windows 10 Version 1809Microsoft · Windows 10 Version 21H2Microsoft · Windows 10 Version 22H2Microsoft · Windows 11 version 22H2Microsoft · Windows 11 version 22H3Microsoft · Windows 11 Version 23H2Microsoft · Windows Server 2012Microsoft · Windows Server 2012 R2Microsoft · Windows Server 2012 R2 (Server Core installation)Microsoft · Windows Server 2012 (Server Core installation)Microsoft · Windows Server 2016Microsoft · Windows Server 2016 (Server Core installation)Microsoft · Windows Server 2019Microsoft · Windows Server 2019 (Server Core installation)Microsoft · Windows Server 2022Microsoft · Windows Server 2022, 23H2 Edition (Server Core installation)References
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-54101https://www.vicarius.io/vsociety/posts/cve-2025-54101-detection-script-remote-code-execution-vulnerability-affecting-windows-smbv3https://www.vicarius.io/vsociety/posts/cve-2025-54101-mitigation-script-remote-code-execution-vulnerability-affecting-windows-smbv3