Vulnerability in Microsoft Windows 10
CVE-2023-21766
Windows Overlay Filter Information Disclosure Vulnerability
EPSS: 0.009 (55.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Microsoft Windows_10 — versions 20h2, 21h2, 22h2
- Microsoft Windows 10 Version 1507 — versions 10.0.10240.0
- Microsoft Windows 10 Version 1607 — versions 10.0.14393.0
- Microsoft Windows 10 Version 1809 — versions 10.0.17763.0, 10.0.0
- 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
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secure@microsoft.com (vendor-advisory)
Frequently asked questions
- What is CVE-2023-21766?
- CVE-2023-21766 is a medium-severity vulnerability in Microsoft Windows 10, classified under CWE-591. CVSS score: 4.7/10. Published 2023-01-10.
- How severe is CVE-2023-21766?
- Medium severity. CVSS v3 base score is 4.7 out of 10.
- Is CVE-2023-21766 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.