{"id":"CVE-2021-36927","aliases":["EUVD-2021-23503","GHSA-22mc-4x52-cw6q"],"status":"published","title":"Windows Digital TV Tuner device registration application Elevation of Privilege Vulnerability","description":"Windows Digital TV Tuner device registration application Elevation of Privilege Vulnerability","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/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":0.00529,"percentile":0.45085,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-269"],"published":"2021-08-12T18:12:16Z","modified":"2026-08-10T18:30:56Z","products":[{"vendor":"microsoft","product":"windows 7"},{"vendor":"microsoft","product":"windows 7 service pack 1"},{"vendor":"microsoft","product":"windows 8.1"},{"vendor":"microsoft","product":"windows server 2008 r2 service pack 1"},{"vendor":"microsoft","product":"windows server 2008 r2 service pack 1 (server core installation)"},{"vendor":"microsoft","product":"windows server 2008 service pack 2"},{"vendor":"microsoft","product":"windows server 2008 service pack 2 (server core installation)"},{"vendor":"microsoft","product":"windows server 2012"},{"vendor":"microsoft","product":"windows server 2012 (server core installation)"},{"vendor":"microsoft","product":"windows server 2012 r2"},{"vendor":"microsoft","product":"windows server 2012 r2 (server core installation)"},{"vendor":"microsoft","product":"windows_7"},{"vendor":"microsoft","product":"windows_8.1"},{"vendor":"microsoft","product":"windows_rt_8.1"},{"vendor":"microsoft","product":"windows_server_2008"},{"vendor":"microsoft","product":"windows_server_2012"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-36927","tags":["vendor-advisory","patch"]},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-36927","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-36927"},{"url":"https://github.com/advisories/GHSA-22mc-4x52-cw6q"}],"sources":{"cve":[{"id":"CVE-2021-36927","title":"Windows Digital TV Tuner device registration application Elevation of Privilege Vulnerability","description":"Windows Digital TV Tuner device registration application Elevation of Privilege Vulnerability","status":"published","published":"2021-08-12T18:12:16Z","modified":"2026-08-10T15:10:17.632Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"updated_at":"2026-11-02T14:33:05.989686Z"}],"euvd":[{"id":"EUVD-2021-23503","description":"Windows Digital TV Tuner device registration application Elevation of Privilege Vulnerability","status":"published","published":"2021-08-12T18:12:16Z","modified":"2026-08-10T15:10:17Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-02T18:02:05.388264Z"}],"ghsa":[{"id":"GHSA-22mc-4x52-cw6q","title":"Windows Digital TV Tuner device registration application Elevation of Privilege Vulnerability","description":"Windows Digital TV Tuner device registration application Elevation of Privilege Vulnerability","status":"published","published":"2022-05-24T19:10:51Z","modified":"2026-08-10T18:30:56Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T15:10:14.704025Z"}],"nvd":[{"id":"CVE-2021-36927","description":"Windows Digital TV Tuner device registration application Elevation of Privilege Vulnerability","status":"published","published":"2021-08-12T18:15:09.697Z","modified":"2026-08-10T16:17:59.32Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/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:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"2.0","score":4.6,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T14:06:56.943671Z"}]}}