CVE-2025-59284

Windows NTLM Spoofing Vulnerability

State: Published
Severity: 3.3 Low
Published: Oct 14, 2025
Updated: Feb 22, 2026
Reserved: Sep 11, 2025

Description

Exposure of sensitive information to an unauthorized actor in Windows NTLM allows an unauthorized attacker to perform spoofing locally.

Scores

CVSS	Score	Vector	Source
3.1	3.3 Low	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C	microsoft

Weaknesses

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

Affected Products

Product	Versions
Windows 11 version 22H2Microsoft	10.0.22621.0 to before 10.0.22621.6060Affected
Windows 11 version 22H3Microsoft	10.0.22631.0 to before 10.0.22631.6060Affected
Windows 11 Version 23H2Microsoft	10.0.22631.0 to before 10.0.22631.6060Affected
Windows 11 Version 24H2Microsoft	10.0.26100.0 to before 10.0.26100.6899Affected
Windows 11 Version 25H2Microsoft	10.0.26200.0 to before 10.0.26200.6899Affected
Windows Server 2025Microsoft	10.0.26100.0 to before 10.0.26100.6899Affected
Windows Server 2025 (Server Core installation)Microsoft	10.0.26100.0 to before 10.0.26100.6899Affected

References

Windows NTLM Spoofing Vulnerabilityvendor-advisorypatch

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