CVE-2025-24054

medium

Description

External control of file name or path in Windows NTLM allows an unauthorized attacker to perform spoofing over a network.

References

https://www.vicarius.io/vsociety/posts/cve-2025-24054-spoofing-vulnerability-in-windows-ntlm-by-microsoft-mitigation-script

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-24054

https://www.securityweek.com/microsoft-disables-downloaded-file-previews-to-block-ntlm-hash-leaks/

https://www.theregister.com/2025/04/21/microsoft_apple_patch/

https://thehackernews.com/2025/04/cve-2025-24054-under-active.html

https://www.bleepingcomputer.com/news/security/windows-ntlm-hash-leak-flaw-exploited-in-phishing-attacks-on-governments/

https://www.darkreading.com/cyberattacks-data-breaches/multiple-group-exploiting-ntlm-flaw

https://research.checkpoint.com/2025/cve-2025-24054-ntlm-exploit-in-the-wild/

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-24054

http://seclists.org/fulldisclosure/2025/Apr/28

Details

Source: Mitre, NVD

Published: 2025-03-11

Updated: 2025-10-27

Known Exploited Vulnerability (KEV)

Risk Information

CVSS v2

Base Score: 6.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 5.4

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

Severity: Medium

EPSS

EPSS: 0.28518