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Unrated severityNVD Advisory· Published Oct 14, 2025· Updated Feb 22, 2026

Windows NTLM Spoofing Vulnerability

CVE-2025-59284

Description

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

Affected products

7

Microsoft/Windows 11 version 22H2v5
Range: 10.0.22621.0
Microsoft/Windows 11 version 22H3v5
Range: 10.0.22631.0
Microsoft/Windows 11 Version 23H2v5
Range: 10.0.22631.0
Microsoft/Windows 11 Version 24H2v5
Range: 10.0.26100.0
Microsoft/Windows 11 Version 25H2v5
Range: 10.0.26200.0
Microsoft/Windows Server 2025v5
Range: 10.0.26100.0
Microsoft/Windows Server 2025 (Server Core installation)v5
Range: 10.0.26100.0

Patches

0

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

1

msrc.microsoft.com/update-guide/vulnerability/CVE-2025-59284mitrevendor-advisorypatch

News mentions

0

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