{"id":"CVE-2021-28464","aliases":["EUVD-2021-15142","GHSA-2h2j-hwh4-6vfv"],"status":"published","title":"VP9 Video Extensions Remote Code Execution Vulnerability","description":"VP9 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":"2026-11-10","score":0.02407,"percentile":0.84214,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2021-04-13T19:33:39Z","modified":"2026-06-17T03:46:24Z","products":[{"vendor":"microsoft","product":"vp9 video extensions"},{"vendor":"microsoft","product":"vp9_video_extensions"}],"references":[{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-28464","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-28464"},{"url":"https://github.com/advisories/GHSA-2h2j-hwh4-6vfv"}],"sources":{"cve":[{"id":"CVE-2021-28464","title":"VP9 Video Extensions Remote Code Execution Vulnerability","description":"VP9 Video Extensions Remote Code Execution Vulnerability","status":"published","published":"2021-04-13T19:33:39Z","modified":"2026-05-28T19:32:11.388Z","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":"2026-11-02T14:33:08.811269Z"}],"euvd":[{"id":"EUVD-2021-15142","description":"VP9 Video Extensions Remote Code Execution Vulnerability","status":"published","published":"2021-04-13T19:33:39Z","modified":"2026-05-28T19:32:11Z","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":"2026-11-02T18:21:01.680356Z"}],"ghsa":[{"id":"GHSA-2h2j-hwh4-6vfv","title":"VP9 Video Extensions Remote Code Execution Vulnerability","description":"VP9 Video Extensions Remote Code Execution Vulnerability","status":"published","published":"2022-05-24T17:47:27Z","modified":"2023-12-29T03:30:27Z","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":"2026-11-02T14:55:17.557989Z"}],"nvd":[{"id":"CVE-2021-28464","description":"VP9 Video Extensions Remote Code Execution Vulnerability","status":"published","published":"2021-04-13T20:15:20.797Z","modified":"2026-06-17T03:46:24.477Z","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":"2026-11-02T14:06:51.610648Z"}]}}