{"id":"CVE-2026-50658","title":"Microsoft Defender for Endpoint for Mac Elevation of Privilege Vulnerability","summary":"Time-of-check time-of-use (toctou) race condition in Microsoft Defender allows an authorized attacker to elevate privileges locally.","severity":"high","cvss":7,"cvssVector":"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","cvssSource":"cna","cwe":["CWE-367"],"vendor":"Microsoft","product":"Microsoft Defender for Endpoint for Mac","affected":["defender_for_endpoint_for_mac >= 101.0.0 < 101.26042.0020"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-07-14T00:00:00+00:00"},"published":"2026-07-14","updated":"2026-09-17","sourceUpdated":"2026-09-17T22:32:09.401Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-50658","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50658","label":"Microsoft Defender for Endpoint for Mac Elevation of Privilege Vulnerability"}],"tags":["cve.org"],"epss":0.00202,"epssPercentile":0.10449,"ingestedAt":"2026-09-08T17:06:31.913Z","slug":"CVE-2026-50658","body":"## Overview\n\nTime-of-check time-of-use (toctou) race condition in Microsoft Defender allows an authorized attacker to elevate privileges locally.\n\n## Affected\n\n- `defender_for_endpoint_for_mac >= 101.0.0 < 101.26042.0020`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":39,"depthScoreParts":{"impact":38.5,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}