Microsoft Windows NTLM Hash Disclosure Spoofing Vulnerability

MEDIUM 5.4EXPLOITED (CISA KEV)CVE-2025-24054 · Published 11/03/2025 · updated 17/06/2026

Microsoft Windows NTLM Hash Disclosure Spoofing Vulnerability. Actively exploited: CISA added this vulnerability to its Known Exploited Vulnerabilities catalog on 17/04/2025. Patch affected systems as an emergency.

In short

CVE-2025-24054 is a MEDIUM (CVSS 5.4) vulnerability.
Exploited in the wild: CISA added it to the KEV catalog on 17/04/2025.
Chance of exploitation in the next 30 days (EPSS): 62.3%, higher than 99.2% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
Windows Microsoft	Versions not published yet (product named by CISA KEV)

Description

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

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2025-24054 · Vendor Advisory
seclists.org/fulldisclosure/2025/Apr/28 · Mailing List
exploit-db.com/exploits/52478 · Exploit
exploit-db.com/exploits/52480 · Exploit
vicarius.io/vsociety/posts/cve-2025-24054-spoofing-vulnerability-in-windows-ntlm-by-microsoft-detection-script · Exploit
vicarius.io/vsociety/posts/cve-2025-24054-spoofing-vulnerability-in-windows-ntlm-by-microsoft-mitigation-script · Mitigation
cisa.gov/known-exploited-vulnerabilities-catalog · US Government Resource
CISA KEV · CVE-2025-24054

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Package	Affected versions	Patched versions
Windows Microsoft	Versions not published yet (product named by CISA KEV)

Package

Affected versions

Patched versions

Windows

Microsoft

Versions not published yet (product named by CISA KEV)