{"id":"CVE-2022-21882","title":"Win32k Elevation of Privilege Vulnerability","summary":"Win32k Elevation of Privilege Vulnerability","severity":"high","cvss":7,"cvssVector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-787","CWE-787"],"vendor":"microsoft","product":"windows_10_1809","affected":["windows_10_1809 < 10.0.17763.2452","windows_10_1909 < 10.0.18363.2037","windows_10_20h2 < 10.0.19042.1466","windows_10_21h1 < 10.0.19043.1466","windows_10_21h2 < 10.0.19044.1466","windows_11_21h2 < 10.0.22000.434","windows_server_2019 < 10.0.17763.2452","windows_server_2022 < 10.0.20348.469","windows_server_20h2 < 10.0.19042.1466"],"patched":["windows_10_1809 10.0.17763.2452","windows_10_1909 10.0.18363.2037","windows_10_20h2 10.0.19042.1466","windows_10_21h1 10.0.19043.1466","windows_10_21h2 10.0.19044.1466","windows_11_21h2 10.0.22000.434","windows_server_2019 10.0.17763.2452","windows_server_2022 10.0.20348.469","windows_server_20h2 10.0.19042.1466"],"published":"2022-01-11","updated":"2026-08-15","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2022-21882","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21882","label":"secure@microsoft.com"},{"url":"http://packetstormsecurity.com/files/166169/Win32k-ConsoleControl-Offset-Confusion-Privilege-Escalation.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-21882","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-21882","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd","kev","in-the-wild","exploit-available"],"epss":0.59205,"epssPercentile":0.99097,"kev":true,"kevDateAdded":"2022-02-04","kevDueDate":"2022-02-18","kevRansomware":true,"exploited":true,"zeroDay":true,"ingestedAt":"2026-08-15T04:24:40.675Z","exploits":{"github":5,"githubRepos":["https://github.com/KaLendsi/CVE-2022-21882","https://github.com/David-Honisch/CVE-2022-21882","https://github.com/L4ys/CVE-2022-21882"],"metasploit":["exploit/windows/local/cve_2022_21882_win32k"],"checkedAt":"2026-09-21T15:24:59.390Z"},"exploitAvailable":true,"slug":"CVE-2022-21882","body":"## Overview\n\nWin32k Elevation of Privilege Vulnerability\n\n## Affected\n\n- `windows_10_1809 < 10.0.17763.2452`\n- `windows_10_1909 < 10.0.18363.2037`\n- `windows_10_20h2 < 10.0.19042.1466`\n- `windows_10_21h1 < 10.0.19043.1466`\n- `windows_10_21h2 < 10.0.19044.1466`\n- `windows_11_21h2 < 10.0.22000.434`\n- `windows_server_2019 < 10.0.17763.2452`\n- `windows_server_2022 < 10.0.20348.469`\n- `windows_server_20h2 < 10.0.19042.1466`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `windows_10_1809 10.0.17763.2452`\n- `windows_10_1909 10.0.18363.2037`\n- `windows_10_20h2 10.0.19042.1466`\n- `windows_10_21h1 10.0.19043.1466`\n- `windows_10_21h2 10.0.19044.1466`\n- `windows_11_21h2 10.0.22000.434`\n- `windows_server_2019 10.0.17763.2452`\n- `windows_server_2022 10.0.20348.469`\n- `windows_server_20h2 10.0.19042.1466`","depth":"abyssal","depthScore":80,"depthScoreParts":{"impact":38.5,"likelihood":11.8,"exploitation":25,"ransomware":5},"changes":[{"seq":4586,"id":"CVE-2022-21882","ts":1788887193169,"field":"exploit_available","old":"false","new":"true"},{"seq":3469,"id":"CVE-2022-21882","ts":1788886309514,"field":"exploit_available","old":"true","new":"false"},{"seq":2323,"id":"CVE-2022-21882","ts":1788882979121,"field":"exploit_available","old":"false","new":"true"},{"seq":1352,"id":"CVE-2022-21882","ts":1788882391631,"field":"exploit_available","old":"true","new":"false"},{"seq":466,"id":"CVE-2022-21882","ts":1788881827216,"field":"exploit_available","old":"false","new":"true"}]}