Vulnerability in Microsoft Windows 11

CVE-2022-21887

Win32k Elevation of Privilege Vulnerability

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.011 (64.3th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 64.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2022-21887: held from 0.011 to 0.011.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

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.