{"id":"CVE-2021-33740","aliases":["EUVD-2021-20417","GHSA-38hh-g82x-9mpc"],"status":"published","title":"Windows Media Remote Code Execution Vulnerability","description":"Windows Media 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":0.02755,"percentile":0.86353,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2021-07-14T17:53:18Z","modified":"2026-08-10T18:31:33Z","products":[{"vendor":"microsoft","product":"windows 10 version 1507"},{"vendor":"microsoft","product":"windows 10 version 1809"},{"vendor":"microsoft","product":"windows 10 version 2004"},{"vendor":"microsoft","product":"windows server 2019"},{"vendor":"microsoft","product":"windows server 2019 (server core installation)"},{"vendor":"microsoft","product":"windows server version 2004"},{"vendor":"microsoft","product":"windows_10"},{"vendor":"microsoft","product":"windows_server_2016"},{"vendor":"microsoft","product":"windows_server_2019"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-33740","tags":["vendor-advisory","patch"]},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33740","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-33740"},{"url":"https://github.com/advisories/GHSA-38hh-g82x-9mpc"}],"sources":{"cve":[{"id":"CVE-2021-33740","title":"Windows Media Remote Code Execution Vulnerability","description":"Windows Media Remote Code Execution Vulnerability","status":"published","published":"2021-07-14T17:53:18Z","modified":"2026-08-10T15:10:57.847Z","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":"2026-11-02T14:33:10.204494Z"}],"euvd":[{"id":"EUVD-2021-20417","description":"Windows Media Remote Code Execution Vulnerability","status":"published","published":"2021-07-14T17:53:18Z","modified":"2026-08-10T15:10:57Z","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":"2026-11-02T18:02:04.543433Z"}],"ghsa":[{"id":"GHSA-38hh-g82x-9mpc","title":"Windows Media Remote Code Execution Vulnerability","description":"Windows Media Remote Code Execution Vulnerability","status":"published","published":"2022-05-24T19:07:56Z","modified":"2026-08-10T18:31:33Z","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":"2026-11-02T15:10:14.704025Z"}],"nvd":[{"id":"CVE-2021-33740","description":"Windows Media Remote Code Execution Vulnerability","status":"published","published":"2021-07-14T18:15:09.667Z","modified":"2026-08-10T16:17:36.44Z","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":9.3,"vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:06:55.747384Z"}]}}