VulnerabilityModified
CVE-2025-54101
Use after free in Windows SMBv3 Client allows an authorized attacker to execute code over a network.
MEDIUM 4.8EPSS 2.50%
Does this matter?
Lower severity and a low EPSS score (2.50%). Track it; it rarely justifies an emergency change on its own.
Description
Use after free in Windows SMBv3 Client allows an authorized attacker to execute code over a network.
- CVSS 3.1
- 4.8 MEDIUMCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H
- EPSS
- 2.50% probability · 84th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- microsoft/windows 10 1507 · microsoft/windows 10 1607 · microsoft/windows 10 1809 · microsoft/windows 10 21h2 · microsoft/windows 10 22h2 · microsoft/windows 11 22h2 · microsoft/windows 11 23h2 · microsoft/windows server 2012 · microsoft/windows server 2016 · microsoft/windows server 2019 · microsoft/windows server 2022 · microsoft/windows server 2022 23h2
- Source
- secure@microsoft.com
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-54101Vendor Advisory
- https://www.vicarius.io/vsociety/posts/cve-2025-54101-detection-script-remote-code-execution-vulnerability-affecting-windows-smbv3
- https://www.vicarius.io/vsociety/posts/cve-2025-54101-mitigation-script-remote-code-execution-vulnerability-affecting-windows-smbv3
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.