Home/CVE/Use after free in Windows SMBv3 Client allows an authorized attacker to execute code over a network.
CVE

CVE-2025-54101

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

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

MEDIUM · CVSS 4.8 EPSS 0.003
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-416Use After Free
▤

Affected Products & Versions

12
microsoft windows 10 1507< 10.0.10240.21128
microsoft windows 10 1607< 10.0.14393.8422
microsoft windows 10 1809< 10.0.17763.7792
microsoft windows 10 21h2< 10.0.19044.6332
microsoft windows 10 22h2< 10.0.19045.6332
microsoft windows 11 22h2< 10.0.22621.5909
microsoft windows 11 23h2< 10.0.22631.5909
microsoft windows server 2012all versions
▣

Scoring & Timeline

4.8
MEDIUM · CVSS v3.1 · secure@microsoft.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD09 Sep 2025 · 05:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

1
msrcCVE-2025-54101Remote Code Execution
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
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
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