CVE-2025-24054: Microsoft Windows NTLM Hash Disclosure Spoofing Vulnerability

CISA Known Exploited Vulnerabilities

Name

Microsoft Windows NTLM Hash Disclosure Spoofing Vulnerability

Vendor

Microsoft

Product

Windows

Added to the catalog

2025-04-17

Due date for US federal agencies

2025-05-08

Weaknesses

CWE-73

Catalog version

2026.10.30

Microsoft Windows NTLM contains an external control of file name or path vulnerability that allows an unauthorized attacker to perform spoofing over a network.

Required action (CISA)

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Ransomware use: CISA does not mark known use of this vulnerability in ransomware campaigns.

Links in CISA's notes

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-24054
• https://nvd.nist.gov/vuln/detail/CVE-2025-24054

Read on 2026-11-02T23:39:54.475Z under licence cisa-kev-cc0@b0067899 from https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json

NVD analysis

Status

Analyzed

Published

2025-03-11T17:16:27.660

Last modified

2026-06-17T08:57:57.930

Weaknesses

CWE-73

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

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-24054 (Vendor Advisory)
• http://seclists.org/fulldisclosure/2025/Apr/28 (Mailing List)
• https://www.exploit-db.com/exploits/52478 (Exploit, Third Party Advisory, VDB Entry)
• https://www.exploit-db.com/exploits/52480 (Exploit, Third Party Advisory, VDB Entry)
• https://www.vicarius.io/vsociety/posts/cve-2025-24054-spoofing-vulnerability-in-windows-ntlm-by-microsoft-detection-script (Exploit, Third Party Advisory)
• https://www.vicarius.io/vsociety/posts/cve-2025-24054-spoofing-vulnerability-in-windows-ntlm-by-microsoft-mitigation-script (Mitigation, Third Party Advisory)
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-24054 (US Government Resource)

This product uses the NVD API but is not endorsed or certified by the NVD.

Read on 2026-11-02T23:42:22.836Z under licence nvd-api-terms-of-use@ff2a5288 from https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2025-24054

CVE record

Title (CNA)

NTLM Hash Disclosure Spoofing Vulnerability

Assigner

microsoft

State

PUBLISHED

Published

2025-03-11T16:59:09.963Z

Updated

2026-02-13T19:38:54.126Z

Problem types

CWE-73: External Control of File Name or Path

References

• NTLM Hash Disclosure Spoofing Vulnerability

Read on 2026-11-03T02:15:19.751Z under licence cve-terms-of-use@81bfa2f3 from https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2025/24xxx/CVE-2025-24054.json

Detection rules (SigmaHQ)

SigmaHQ rules whose own tags name this CVE. Each rule page shows the rule as its author published it.

• Suspicious Creation of .library-ms File — Potential CVE-2025-24054 Exploit (status experimental, level medium)

Defensive techniques (MITRE D3FEND)

D3FEND maps these defensive techniques to the weakness (CWE) that NVD lists for this CVE, through the digital artifacts the weakness affects. D3FEND does not say they stop this vulnerability.

MITRE D3FEND™ knowledge graph. © 2025 The MITRE Corporation.
"The MITRE Corporation (MITRE) hereby grants you a non-exclusive, royalty-free license to use D3FEND for research, development, and commercial purposes. Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy." Terms: https://d3fend.mitre.org/tou/