CVE-2025-54101 json
Windows SMB Client Remote Code Execution Vulnerability
published 2025-09-09 13 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-27366
- cvss
- 4.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.1%
- EPSS 3.1% chance of exploitation in 30 days, percentile 87%
- public exploits
- 0
- none known
Summary
Use after free in Windows SMBv3 Client allows an authorized attacker to execute code over a network.
Patch / fix
- Microsoft Windows 10 Version 1507 10.0.10240.21128
- Microsoft Windows 10 Version 1607 10.0.14393.8422
- Microsoft Windows 10 Version 1809 10.0.17763.7792
- Microsoft Windows 10 Version 21H2 10.0.19044.6332
- Microsoft Windows 10 Version 22H2 10.0.19045.6332
- Microsoft Windows 11 version 22H2 10.0.22621.5909
- Microsoft Windows 11 version 22H3 10.0.22631.5909
- Microsoft Windows 11 Version 23H2 10.0.22631.5909
- Microsoft Windows Server 2012 6.2.9200.25675
- Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.25675
- Microsoft Windows Server 2012 R2 6.3.9600.22774
- Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.22774
- Microsoft Windows Server 2016 10.0.14393.8422
- Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.8422
- Microsoft Windows Server 2019 10.0.17763.7792
- Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.7792
- Microsoft Windows Server 2022 10.0.20348.4171
- Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.1849
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 13 mo ago
Exploit prediction
3.12% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 4.8 | 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 |
| CNA | 3.1 | 4.8 | CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H |
Affected products
- Microsoft Windows 10 Version 1507
- Microsoft Windows 10 Version 1607
- Microsoft Windows 10 Version 1809
- Microsoft Windows 10 Version 21H2
- Microsoft Windows 10 Version 22H2
- Microsoft Windows 11 version 22H2
- Microsoft Windows 11 version 22H3
- Microsoft Windows 11 Version 23H2
- Microsoft Windows Server 2012
- Microsoft Windows Server 2012 (Server Core installation)
- Microsoft Windows Server 2012 R2
- Microsoft Windows Server 2012 R2 (Server Core installation)
- Microsoft Windows Server 2016
- Microsoft Windows Server 2016 (Server Core installation)
- Microsoft Windows Server 2019
- Microsoft Windows Server 2019 (Server Core installation)
- Microsoft Windows Server 2022
- Microsoft Windows Server 2022, 23H2 Edition (Server Core installation)
Classification
- Weakness
-
- CWE-416 Use After Free
References
-
msrc.microsoft.com
/update-guide/vulnerability/CVE-2025-54101
vendor-advisory, patch
- vicarius.io /vsociety/posts/cve-2025-54101-detection-script-remote-code-execution-vulnerability-affecting-windows-smbv3
- vicarius.io /vsociety/posts/cve-2025-54101-mitigation-script-remote-code-execution-vulnerability-affecting-windows-smbv3
Sources
- CVE List CVE-2025-54101
- NVD CVE-2025-54101
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.