CVE-2025-54101
Windows SMB Client Remote Code Execution Vulnerability
At a glance
- Severity
- MEDIUM 4.8
- EPSS
- EPSS 3.12 % · percentile 88 (2026-10-27)
- State
- PUBLISHED
- Published
- Updated
- Assigner
- microsoft
- NVD status
- Modified
Description
Use after free in Windows SMBv3 Client allows an authorized attacker to execute code over a network.
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | MEDIUM 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 | microsoft |
| CVSS 3.1 | MEDIUM 4.8 | CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H | NVD · secure@microsoft.com (Secondary) |
Weaknesses (CWE)
European references
- ENISA EUVD · EUVD-2025-27366
- GCVE · GCVE-0-2025-54101
CERT-FR advisories
- CERTFR-2025-AVI-0778 — Multiples vulnérabilités dans Microsoft Windows · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:x64:*< 10.0.10240.21128cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:x86:*< 10.0.10240.21128cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:*< 10.0.14393.8422cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:*< 10.0.14393.8422cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*< 10.0.17763.7792cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:*< 10.0.17763.7792cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:*< 10.0.19044.6332cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:*:*< 10.0.19045.6332cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:*< 10.0.22621.5909cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:*< 10.0.22631.5909cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*< 10.0.14393.8422cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*< 10.0.17763.7792cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*< 10.0.20348.4106cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:*< 10.0.25398.1849
Affected products
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-54101
- 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
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |