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

CVE-2025-24054 · Severity: critical · CVSS 6.5 · Exploited in the wild · Published 2025-04-17

Microsoft Windows NTLM contains an external control of file name or path vulnerability (CWE-73) that allows an unauthorized attacker to perform spoofing over a network. This flaw can lead to NTLM hash disclosure, and it has been reported as being exploited in the wild.

Technologies: Microsoft Windows. Vendors: Microsoft.

Quick answers

Is CVE-2025-24054 exploited in the wild?
Yes. CVE-2025-24054 is known to be exploited in the wild, first recorded on 17 April 2025. Treat it as urgent.
How severe is CVE-2025-24054?
Critical severity, with a CVSS score of 6.5, published 17 April 2025.
Which products and versions are affected?
Microsoft Windows NTLM; Microsoft Windows Server 2008 R2 SP1; Microsoft Windows Server 2012; Microsoft Windows 10 1507 up to (excluding) 10.0.10240.20947; and 2 more.
Is there a fix for CVE-2025-24054?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2025-24054 attacked?
It is attacked over the network, in an operating system.
Am I affected by CVE-2025-24054?
Check whether you run Microsoft Windows. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • Microsoft Windows NTLM
  • Microsoft Windows Server 2008 R2 SP1
  • Microsoft Windows Server 2012
  • Microsoft Windows 10 1507 up to (excluding) 10.0.10240.20947
  • Microsoft Windows 10 1607 up to (excluding) 10.0.14393.7876
  • Microsoft Windows 10 1809 up to (excluding) 10.0.17763.7009

Timeline

  • 2025-04-17: disclosed
  • 2025-04-17: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
  • 2025-04-17: advisory: Microsoft published vendor advisory
  • 2025-04-18: other: Initial analysis by NIST
  • 2025-05-29: other: Exploit and mitigation scripts published by Vicarius vsociety

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