{"id":"CVE-2021-27091","aliases":["EUVD-2021-13862","GHSA-vcr7-q7v7-v84f"],"status":"published","title":"RPC Endpoint Mapper Service Elevation of Privilege Vulnerability","description":"RPC Endpoint Mapper Service 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:P/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00594,"percentile":0.48897,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-269"],"published":"2021-04-13T19:32:42Z","modified":"2026-06-17T03:44:16Z","products":[{"vendor":"microsoft","product":"windows 7"},{"vendor":"microsoft","product":"windows 7 service pack 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 2012"},{"vendor":"microsoft","product":"windows server 2012 (server core installation)"},{"vendor":"microsoft","product":"windows_7"},{"vendor":"microsoft","product":"windows_server_2008"},{"vendor":"microsoft","product":"windows_server_2012"}],"references":[{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-27091","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-27091"},{"url":"https://github.com/advisories/GHSA-vcr7-q7v7-v84f"}],"sources":{"cve":[{"id":"CVE-2021-27091","title":"RPC Endpoint Mapper Service Elevation of Privilege Vulnerability","description":"RPC Endpoint Mapper Service Elevation of Privilege Vulnerability","status":"published","published":"2021-04-13T19:32:42Z","modified":"2024-08-03T20:40:47.165Z","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:P/RL:O/RC:C","level":"high","assessor":"cna"}],"updated_at":"2026-11-02T14:33:04.360272Z"}],"euvd":[{"id":"EUVD-2021-13862","description":"RPC Endpoint Mapper Service Elevation of Privilege Vulnerability","status":"published","published":"2021-04-13T19:32:42Z","modified":"2024-08-03T20:40:47Z","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:P/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-03T03:24:50.383074Z"}],"ghsa":[{"id":"GHSA-vcr7-q7v7-v84f","title":"RPC Endpoint Mapper Service Elevation of Privilege Vulnerability","description":"RPC Endpoint Mapper Service Elevation of Privilege Vulnerability","status":"published","published":"2022-05-24T17:47:16Z","modified":"2023-01-29T05:05:57Z","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":"2026-11-02T14:45:55.193009Z"}],"nvd":[{"id":"CVE-2021-27091","description":"RPC Endpoint Mapper Service Elevation of Privilege Vulnerability","status":"published","published":"2021-04-13T20:15:15.843Z","modified":"2026-06-17T03:44:16.323Z","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"}],"updated_at":"2026-11-02T14:06:51.610648Z"}]}}