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CVE-2025-24054

Microsoft Windows NTLM Hash Disclosure Spoofing

6.5 MEDIUMActively exploited (CISA KEV)Public exploitEPSS 58.9%
  1. Published11 Mar 2025
  2. Added to CISA KEV17 Apr 2025
  3. Remediation due8 May 2025
Actively exploited (CISA KEV)

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

Added to KEV: 17 Apr 2025Federal remediation due: 8 May 2025

Description

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

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionRequired
ScopeUnchanged
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Affected products

Microsoft Windows 10 1507< 10.0.10240.20947
Microsoft Windows 10 1607< 10.0.14393.7876
Microsoft Windows 10 1809< 10.0.17763.7009
Microsoft Windows 10 21h2< 10.0.19044.5608
Microsoft Windows 10 22h2< 10.0.19045.5608
Microsoft Windows 11 22h2< 10.0.22621.5039
Microsoft Windows 11 23h2< 10.0.22631.5039
Microsoft Windows 11 24h2< 10.0.26100.3403
Microsoft Windows Server 2008r2
Microsoft Windows Server 2012r2
Microsoft Windows Server 2016< 10.0.14393.7876
Microsoft Windows Server 2019< 10.0.17763.7009
Microsoft Windows Server 2022< 10.0.20348.3270
Microsoft Windows Server 2022 23h2< 10.0.25398.1486
Microsoft Windows Server 2025< 10.0.26100.3403

Remediation

Fixed in
Microsoft Windows 10 1507≥ 10.0.10240.20947
Microsoft Windows 10 1607≥ 10.0.14393.7876
Microsoft Windows 10 1809≥ 10.0.17763.7009
Microsoft Windows 10 21h2≥ 10.0.19044.5608
Microsoft Windows 10 22h2≥ 10.0.19045.5608
Microsoft Windows 11 22h2≥ 10.0.22621.5039
Microsoft Windows 11 23h2≥ 10.0.22631.5039
Microsoft Windows 11 24h2≥ 10.0.26100.3403
Microsoft Windows Server 2016≥ 10.0.14393.7876
Microsoft Windows Server 2019≥ 10.0.17763.7009

References

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Frequently asked

Is CVE-2025-24054 being actively exploited?

Yes. CVE-2025-24054 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 17 Apr 2025.

How severe is CVE-2025-24054?

CVE-2025-24054 has a CVSS 3.1 base score of 6.5, rated medium. EPSS estimates a 58.9% probability of exploitation.

Which products are affected by CVE-2025-24054?

Affected products include Microsoft Windows 10 1507, Microsoft Windows 10 1607, Microsoft Windows 10 1809, Microsoft Windows 10 21h2, Microsoft Windows 10 22h2, and 10 more.

How do I fix CVE-2025-24054?

Upgrade affected software to a fixed version, for example Microsoft Windows 10 1507 10.0.10240.20947, Microsoft Windows 10 1607 10.0.14393.7876, Microsoft Windows 10 1809 10.0.17763.7009 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2025-24054 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. Because it is on the CISA KEV list, Secuno flags any affected asset as top-priority automatically. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.