CVE-2025-24054
Published: April 17, 2025
Official Description
Microsoft Windows NTLM contains an external control of file name or path vulnerability that allows an unauthorized attacker to perform spoofing over a network.
CISA KEV Advisory
Microsoft Windows NTLM Hash Disclosure Spoofing Vulnerability
Microsoft Windows NTLM contains an external control of file name or path vulnerability that allows an unauthorized attacker to perform spoofing over a network.
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Risk Analysis
This high-severity vulnerability in Microsoft Windows NTLM allows an unauthorized attacker to perform spoofing over a network due to external control of file name or path. The high EPSS score of 0.11927 indicates a significant likelihood of exploitation, making this an urgent concern for network security.
This vulnerability is actively being exploited in the wild and is listed in CISA's KEV catalog, confirming its active use by threat actors.
Administrators should apply the latest security updates for Microsoft Windows to address this NTLM spoofing vulnerability.
Technical Analysis
CVE-2025-24054 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CISA has added CVE-2025-24054 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.
Affected Vendors & Products
Exploit & PoC Resources
All References (2)
Quick Facts
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2025-24054 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
- !CISA KEV: Federal agencies must patch per BOD 22-01 timeline
- !Active exploitation confirmed — treat as P1