Vulnerability in Microsoft Windows 11 Version 21h2
CVE-2023-38146
Windows Themes Remote Code Execution Vulnerability
Vulnerability class: TOCTOU (Time-of-Check to Time-of-Use)
EPSS: 0.865 (99.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C.
Affected products
- Microsoft Windows 11 Version 21h2 — versions 10.0.0
- Microsoft Windows 11 Version 22h2 — versions 10.0.22621.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- Windows Themes Remote Code Execution Vulnerability (vendor-advisory)
Frequently asked questions
- What is CVE-2023-38146?
- CVE-2023-38146 is a high-severity vulnerability in Microsoft Windows 11 Version 21h2, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 8.8/10. Published 2023-09-12.
- How severe is CVE-2023-38146?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2023-38146 known to be exploited?
- 17 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.