Vulnerability · Published Jan 10, 2023 · Assigned by microsoft

CVE-2023-21771Windows Local Session Manager (LSM) Elevation of Privilege Vulnerability

High 7.0

In plain English

A high-severity security flaw in Windows 10 Version 20H2 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 35% of all known vulnerabilities).

Severity (CVSS 3.1)7.0High
Exploit odds (30 days)0.4%top 64.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Windows Local Session Manager (LSM) Elevation of Privilege Vulnerability

Affected products (as reported)

VendorProductVersions
Microsoft Windows Server 2022 10.0.20348.0 – before 10.0.20348.1487
Microsoft Windows 10 Version 20H2 10.0.0 – before 10.0.19042.2486
Microsoft Windows 11 version 21H2 10.0.0 – before 10.0.22000.1455
Microsoft Windows 10 Version 21H2 10.0.19043.0 – before 10.0.19044.2486
Microsoft Windows 11 version 22H2 10.0.22621.0 – before 10.0.22621.1105
Microsoft Windows 10 Version 22H2 10.0.19045.0 – before 10.0.19045.2486

Weakness: CWE-591 · Vector: 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

References