{"id":"CVE-2021-31190","aliases":["EUVD-2021-18103","GHSA-4w6p-wrp4-qg7c"],"status":"published","title":"Windows Container Isolation FS Filter Driver Elevation of Privilege Vulnerability","description":"Windows Container Isolation FS Filter Driver 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":"2026-11-11","score":0.0055,"percentile":0.46496,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-269"],"published":"2021-05-11T19:11:34Z","modified":"2026-06-17T03:51:25Z","products":[{"vendor":"microsoft","product":"windows 10 version 1809"},{"vendor":"microsoft","product":"windows server 2019"},{"vendor":"microsoft","product":"windows server 2019 (server core installation)"},{"vendor":"microsoft","product":"windows_10"},{"vendor":"microsoft","product":"windows_server_2019"}],"references":[{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31190","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-31190"},{"url":"https://github.com/advisories/GHSA-4w6p-wrp4-qg7c"}],"sources":{"cve":[{"id":"CVE-2021-31190","title":"Windows Container Isolation FS Filter Driver Elevation of Privilege Vulnerability","description":"Windows Container Isolation FS Filter Driver Elevation of Privilege Vulnerability","status":"published","published":"2021-05-11T19:11:34Z","modified":"2024-08-03T22:55:53.265Z","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":"2026-11-02T14:33:05.665371Z"}],"euvd":[{"id":"EUVD-2021-18103","description":"Windows Container Isolation FS Filter Driver Elevation of Privilege Vulnerability","status":"published","published":"2021-05-11T19:11:34Z","modified":"2024-08-03T22:55:53Z","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":"2026-11-03T03:24:39.559154Z"}],"ghsa":[{"id":"GHSA-4w6p-wrp4-qg7c","title":"Windows Container Isolation FS Filter Driver Elevation of Privilege Vulnerability","description":"Windows Container Isolation FS Filter Driver Elevation of Privilege Vulnerability","status":"published","published":"2022-05-24T19:02:00Z","modified":"2023-01-29T05:06:39Z","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":"2026-11-02T14:46:04.414181Z"}],"nvd":[{"id":"CVE-2021-31190","description":"Windows Container Isolation FS Filter Driver Elevation of Privilege Vulnerability","status":"published","published":"2021-05-11T19:15:10.083Z","modified":"2026-06-17T03:51:25.13Z","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":"2026-11-02T14:06:53.343329Z"}]}}