Actively exploited in the wild
Microsoft Windows NTLM Hash Disclosure Spoofing Vulnerability
Microsoft - Windows · Listed in the CISA KEV since 2025-04-17. This indicates confirmed attacks in production environments.
Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
CVE-2025-24054
MediumCVSS 6.5KEVSummary
A vulnerability in Windows NTLM allows external control of file name or path. An unauthorized attacker can perform spoofing over a network.
Risk Assessment
An attacker could impersonate a trusted network resource, potentially leading to credential theft or unauthorized access.
Recommendation
Apply Microsoft security updates and consider restricting NTLM usage in the network environment.
Other vulnerabilities in Windows NTLM
See all- CVE-2026-20925Medium
External control of file name or path in Windows NTLM allows an unauthorized attacker to perform spoofing over a network.
- CVE-2026-20872Medium
External control of file name or path in Windows NTLM allows an unauthorized attacker to perform spoofing over a network.
- CVE-2024-43451MediumActively exploited
NTLM Hash Disclosure Spoofing Vulnerability allows for the disclosure of NTLM hashes. An attacker could exploit this to impersonate a user or system.
- CVE-2026-50508Medium
A vulnerability in Windows NTLM exposes sensitive information to an unauthorized actor, allowing spoofing over a network.
Original NVD description (English source)
External control of file name or path in Windows NTLM allows an unauthorized attacker to perform spoofing over a network.

