Windows CVE-2026-20925
MEDIUMCVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Lifecycle Timeline
2DescriptionNVD
External control of file name or path in Windows NTLM allows an unauthorized attacker to perform spoofing over a network.
AnalysisAI
Windows NTLM authentication across multiple Windows versions (10, Server 2008/2019) allows remote attackers to manipulate file name or path parameters without authentication, enabling network-based identity spoofing attacks. The vulnerability requires user interaction and has no available patch, affecting systems still running older Windows Server editions alongside current Windows 10 releases. …
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RemediationAI
Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.
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