Vulnerability in Microsoft Windows 11

CVE-2022-21887

Win32k Elevation of Privilege Vulnerability

EPSS: 0.011 (62.1th 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

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2022-21887?
CVE-2022-21887 is a high-severity vulnerability in Microsoft Windows 11. CVSS score: 7.0/10. Published 2022-01-11.
How severe is CVE-2022-21887?
High severity. CVSS v3 base score is 7.0 out of 10.
Is CVE-2022-21887 known to be exploited?
12 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.