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Status published
High
CVE-2023-21771
Windows Local Session Manager (LSM) Elevation of Privilege Vulnerability
Vulnerability Description
Windows Local Session Manager (LSM) Elevation of Privilege Vulnerability
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 Server 2022, Windows 10 Version 20H2, Windows 11 version 21H2, Windows 10 Version 21H2, Windows 11 version 22H2, Windows 10 Version 22H2
Vulnerable Versions:
10.0.20348.0, 10.0.0, 10.0.19043.0, 10.0.22621.0, 10.0.19045.0
Timeline
Official Publish:
January 10th, 2023
Last Modified:
April 12th, 2025
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Weaknesses (CWE)
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.