Vulnerability in Microsoft Windows 10
CVE-2023-21771
Windows Local Session Manager (LSM) Elevation of Privilege Vulnerability
EPSS: 0.004 (32.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Microsoft Windows_10 — versions 20h2, 21h2, 22h2
- Microsoft Windows 10 Version 20h2 — versions 10.0.0
- Microsoft Windows 10 Version 21h2 — versions 10.0.19043.0
- Microsoft Windows 10 Version 22h2 — versions 10.0.19045.0
- Microsoft Windows_11 — versions 21h2, 22h2
- Microsoft Windows 11 Version 21h2 — versions 10.0.0
- Microsoft Windows 11 Version 22h2 — versions 10.0.22621.0
- Microsoft Windows Server 2022 — versions 10.0.20348.0
- Microsoft Windows_server_2022
Weakness classification (CWE)
References
- secure@microsoft.com (vendor-advisory)
Frequently asked questions
- What is CVE-2023-21771?
- CVE-2023-21771 is a high-severity vulnerability in Microsoft Windows 10, classified under CWE-591. CVSS score: 7.0/10. Published 2023-01-10.
- How severe is CVE-2023-21771?
- High severity. CVSS v3 base score is 7.0 out of 10.