{"id":"CVE-2022-21839","aliases":["EUVD-2022-26995","GHSA-h43p-cfh5-fphm"],"status":"published","title":"Windows Event Tracing Discretionary Access Control List Denial of Service Vulnerability","description":"Windows Event Tracing Discretionary Access Control List Denial of Service Vulnerability","severity":{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H/E:P/RL:O/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.01542,"percentile":0.75124,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-400"],"published":"2022-01-11T20:22:18Z","modified":"2026-06-17T04:27:05Z","exploits":[{"source":"pocgithub","id":"lolin19/CVE-2022-21839-","title":"lolin19/CVE-2022-21839-","date":"2023-01-10","url":"https://github.com/lolin19/CVE-2022-21839-"}],"products":[{"vendor":"microsoft","product":"windows 10 version 1809"},{"vendor":"microsoft","product":"windows server 2019"},{"vendor":"microsoft","product":"windows server 2019 (server core installation)"},{"vendor":"microsoft","product":"windows_10"},{"vendor":"microsoft","product":"windows_server_2019"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21839","tags":["vendor-advisory"]},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-21839","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-21839"},{"url":"https://github.com/advisories/GHSA-h43p-cfh5-fphm"}],"sources":{"cve":[{"id":"CVE-2022-21839","title":"Windows Event Tracing Discretionary Access Control List Denial of Service Vulnerability","description":"Windows Event Tracing Discretionary Access Control List Denial of Service Vulnerability","status":"published","published":"2022-01-11T20:22:18Z","modified":"2025-01-02T18:22:51.49Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H/E:P/RL:O/RC:C","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:34:29.057251Z"}],"euvd":[{"id":"EUVD-2022-26995","description":"Windows Event Tracing Discretionary Access Control List Denial of Service Vulnerability","status":"published","published":"2022-01-11T20:22:18Z","modified":"2025-01-02T18:22:51Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H/E:P/RL:O/RC:C","level":"medium"}],"updated_at":"2026-11-03T00:04:29.532536Z"}],"ghsa":[{"id":"GHSA-h43p-cfh5-fphm","title":"Windows Event Tracing Discretionary Access Control List Denial of Service Vulnerability.","description":"Windows Event Tracing Discretionary Access Control List Denial of Service Vulnerability.","status":"published","published":"2022-01-12T00:01:10Z","modified":"2024-11-14T21:31:43Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:58:50.242407Z"}],"nvd":[{"id":"CVE-2022-21839","description":"Windows Event Tracing Discretionary Access Control List Denial of Service Vulnerability","status":"published","published":"2022-01-11T21:15:09.43Z","modified":"2026-06-17T04:27:05.133Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:N/I:N/A:P","level":"low","assessor":"primary"}],"updated_at":"2026-11-02T14:07:10.836864Z"}]}}