{"id":"CVE-2022-21844","aliases":["EUVD-2022-27000","GHSA-hvj4-9777-32f9"],"status":"published","title":"HEVC Video Extensions Remote Code Execution Vulnerability","description":"HEVC Video Extensions Remote Code Execution Vulnerability","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.02258,"percentile":0.8309,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2022-02-09T16:36:16Z","modified":"2026-06-17T04:27:05Z","products":[{"vendor":"microsoft","product":"hevc video extension"},{"vendor":"microsoft","product":"hevc video extensions"},{"vendor":"microsoft","product":"hevc_video_extensions"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21844","tags":["vendor-advisory","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-21844"},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-21844"},{"url":"https://github.com/mandiant/Vulnerability-Disclosures/blob/master/2022/MNDT-2022-0009/MNDT-2022-0009.md"},{"url":"https://github.com/advisories/GHSA-hvj4-9777-32f9"}],"sources":{"cve":[{"id":"CVE-2022-21844","title":"HEVC Video Extensions Remote Code Execution Vulnerability","description":"HEVC Video Extensions Remote Code Execution Vulnerability","status":"published","published":"2022-02-09T16:36:16Z","modified":"2025-01-02T18:28:00.48Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"updated_at":"2026-11-02T14:34:29.057251Z"}],"euvd":[{"id":"EUVD-2022-27000","description":"HEVC Video Extensions Remote Code Execution Vulnerability","status":"published","published":"2022-02-09T16:36:16Z","modified":"2025-01-02T18:28:00Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-03T00:04:29.532536Z"}],"ghsa":[{"id":"GHSA-hvj4-9777-32f9","title":"HEVC Video Extensions Remote Code Execution Vulnerability. This CVE ID is unique from CVE-2022...","description":"HEVC Video Extensions Remote Code Execution Vulnerability. This CVE ID is unique from CVE-2022-21926, CVE-2022-21927.","status":"published","published":"2022-02-10T00:00:25Z","modified":"2023-07-08T05:01:43Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T14:54:42.043841Z"}],"nvd":[{"id":"CVE-2022-21844","description":"HEVC Video Extensions Remote Code Execution Vulnerability","status":"published","published":"2022-02-09T17:15:08.307Z","modified":"2026-06-17T04:27:05.797Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:07:11.52734Z"}]}}