CVSS 3.1
7.8 highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HCVE-2022-21882
High (7.8) in Microsoft Win32k. In CISA KEV since 2022-02-04, with known ransomware use. EPSS 59% chance of exploitation in the next 30 days.
Win32k Elevation of Privilege Vulnerability
Severity
- EPSS
- 59% chance of exploitation in the next 30 days; higher than 99% of CVEs (scores of 2026-10-31)
- CISA KEV
- listed 2022-02-04, due 2022-02-18, known ransomware use
- CWE
- CWE-787
- Published
- Modified
- Record from
- the NVD, synced
Affected
- 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