CVE-2022-21881
HighPublished
Windows Kernel Elevation of Privilege Vulnerability
- Published
- Jan 11, 2022
- Updated
- Jan 2, 2025
- Assigning CNA
- microsoft
- Evidence observed
- Aug 5, 2026
Primary CVSS
7.8/ 10High
nvd · CVSS 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H24.2%
Moderate · next 30 days
- Percentile
- 97.8%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
Windows Kernel Elevation of Privilege Vulnerability
Sources
1POC of CVE-2022-21881 exploited at TianfuCup 2021 to escape Chrome Sandbox
Responsible use
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