CVE-2022-21882 KEV
7.0
HIGH · CVSS 3.1 · EPSS 59.2% (pctl 99)
Patch first
On CISA KEV — known exploited in the wild, due 2022-02-18.
Description
Win32k Elevation of Privilege Vulnerability
Scoring
| CVSS | 7.0 (HIGH, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 59.21% — more likely to be exploited than 99% of all CVEs |
| Weakness | CWE-787 |
| On CISA KEV | yes — remediate by 2022-02-18 |
| Public exploit | none known |
| Published | 2022-01-11 |
| Last modified | 2026-08-15 |
CISA KEV
| Name | Microsoft Win32k Privilege Escalation Vulnerability |
|---|---|
| Added | 2022-02-04 |
| Due | 2022-02-18 |
| Vendor / product | Microsoft / Win32k |
| Ransomware use | known |
Affected (9)
| Vendor | Product |
|---|---|
| microsoft | windows 10 1809 |
| microsoft | windows 10 1909 |
| microsoft | windows 10 20h2 |
| microsoft | windows 10 21h1 |
| microsoft | windows 10 21h2 |
| microsoft | windows 11 21h2 |
| microsoft | windows server 2019 |
| microsoft | windows server 2022 |
| microsoft | windows server 20h2 |
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21882
- http://packetstormsecurity.com/files/166169/Win32k-ConsoleControl-Offset-Confusion-Privilege-Escalation.html
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-21882
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-21882
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