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Status published
Medium
CVE-2025-26651
Windows Local Session Manager (LSM) Denial of Service Vulnerability
Vulnerability Description
Exposed dangerous method or function in Windows Local Session Manager (LSM) allows an authorized attacker to deny service over a network.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
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Affected Vendor
Microsoft
View all reports →Affected Software
Windows 11 version 22H2, Windows 11 version 22H3, Windows 11 Version 23H2, Windows 11 Version 24H2, Windows Server 2022, Windows Server 2022, 23H2 Edition (Server Core installation), Windows Server 2025, Windows Server 2025 (Server Core installation)
Vulnerable Versions:
10.0.22621.0, 10.0.22631.0, 10.0.26100.0, 10.0.20348.0, 10.0.25398.0
Timeline
Official Publish:
April 8th, 2025
Last Modified:
February 13th, 2026
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C