CVE-2026-20925

MediumCVSS 6.5

Published: 13/01/2026(UTC)Updated: 30/07/2026(UTC)Translated: 31/07/2026(UTC)NVD NIST

Exploitation Probability (EPSS)

Very high risk

17.31%

97th percentile - higher than 97% of all known CVEs

Summary

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

Risk Assessment

An attacker can impersonate a trusted system or user, potentially leading to data theft, unauthorized access, and compromise of network communication integrity.

Recommendation

Install the latest Windows security updates that address this vulnerability in the NTLM component.

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.