{"id":"CVE-2026-50658","aliases":["EUVD-2026-44121","GHSA-crrx-464g-pwj8"],"status":"published","title":"Microsoft Defender for Endpoint for Mac Elevation of Privilege Vulnerability","description":"Time-of-check time-of-use (toctou) race condition in Microsoft Defender allows an authorized attacker to elevate privileges locally.","severity":{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/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":0.00202,"percentile":0.10252,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-367"],"published":"2026-07-14T17:08:10Z","modified":"2026-11-01T17:35:44Z","products":[{"vendor":"microsoft","product":"defender_for_endpoint"},{"vendor":"microsoft","product":"microsoft defender for endpoint for mac"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50658","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-50658"},{"url":"https://github.com/advisories/GHSA-crrx-464g-pwj8"}],"sources":{"cve":[{"id":"CVE-2026-50658","title":"Microsoft Defender for Endpoint for Mac Elevation of Privilege Vulnerability","description":"Time-of-check time-of-use (toctou) race condition in Microsoft Defender allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-07-14T17:08:10.31Z","modified":"2026-11-01T17:35:44.854Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-367"],"updated_at":"2026-11-02T14:20:08.734143Z"}],"euvd":[{"id":"EUVD-2026-44121","description":"Time-of-check time-of-use (toctou) race condition in Microsoft Defender allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-07-14T17:08:10Z","modified":"2026-11-01T17:35:44Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-02T16:58:47.914819Z"}],"ghsa":[{"id":"GHSA-crrx-464g-pwj8","title":"Time-of-check time-of-use (toctou) race condition in Microsoft Defender allows an authorized...","description":"Time-of-check time-of-use (toctou) race condition in Microsoft Defender allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-07-14T18:32:28Z","modified":"2026-07-14T18:32:37Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-367"],"updated_at":"2026-11-02T15:09:30.119193Z"}],"nvd":[{"id":"CVE-2026-50658","description":"Time-of-check time-of-use (toctou) race condition in Microsoft Defender allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-07-14T18:17:59.563Z","modified":"2026-10-24T21:10:00.13Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-367"],"updated_at":"2026-11-02T14:12:29.489525Z"}]}}