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

Weakness classification (CWE)

Public proof-of-concept exploits

References

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.