{"id":"CVE-2021-23893","aliases":["EUVD-2021-10819","GHSA-67v5-xf35-5v2f"],"status":"published","title":"Privilege Escalation vulnerability in McAfee Drive Encryption (MDE)","description":"Privilege Escalation vulnerability in a Windows system driver of McAfee Drive Encryption (DE) prior to 7.3.0 could allow a local non-admin user to gain elevated system privileges via exploiting an unutilized memory buffer.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00149,"percentile":0.04147,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-269"],"published":"2021-10-01T09:25:11Z","modified":"2026-06-17T03:38:59Z","products":[{"vendor":"mcafee","product":"drive_encryption"},{"vendor":"mcafee,llc","product":"mcafee drive encryption (mde)"}],"references":[{"url":"https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10361","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-23893"},{"url":"https://github.com/advisories/GHSA-67v5-xf35-5v2f"}],"sources":{"cve":[{"id":"CVE-2021-23893","title":"Privilege Escalation vulnerability in McAfee Drive Encryption (MDE)","description":"Privilege Escalation vulnerability in a Windows system driver of McAfee Drive Encryption (DE) prior to 7.3.0 could allow a local non-admin user to gain elevated system privileges via exploiting an unutilized memory buffer.","status":"published","published":"2021-10-01T09:25:11Z","modified":"2024-08-03T19:14:09.452Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T14:33:00.819444Z"}],"euvd":[{"id":"EUVD-2021-10819","description":"Privilege Escalation vulnerability in a Windows system driver of McAfee Drive Encryption (DE) prior to 7.3.0 could allow a local non-admin user to gain elevated system privileges via exploiting an unutilized memory buffer.","status":"published","published":"2021-10-01T09:25:11Z","modified":"2024-08-03T19:14:09Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T03:25:00.126172Z"}],"ghsa":[{"id":"GHSA-67v5-xf35-5v2f","title":"Privilege Escalation vulnerability in a Windows system driver of McAfee Drive Encryption (DE)...","description":"Privilege Escalation vulnerability in a Windows system driver of McAfee Drive Encryption (DE) prior to 7.3.0 could allow a local non-admin user to gain elevated system privileges via exploiting an unutilized memory buffer.","status":"published","published":"2022-05-24T19:16:21Z","modified":"2023-01-30T05:02:33Z","cwes":["CWE-269"],"updated_at":"2026-11-02T14:46:39.888016Z"}],"nvd":[{"id":"CVE-2021-23893","description":"Privilege Escalation vulnerability in a Windows system driver of McAfee Drive Encryption (DE) prior to 7.3.0 could allow a local non-admin user to gain elevated system privileges via exploiting an unutilized memory buffer.","status":"published","published":"2021-10-01T10:15:07.413Z","modified":"2026-06-17T03:38:59.823Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/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":"primary"},{"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":"2026-11-02T14:06:59.314106Z"}]}}