{"id":"CVE-2026-45647","aliases":["EUVD-2026-35571","GHSA-2rv3-8j9r-chw9"],"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 for Endpoint allows an authorized attacker to elevate privileges locally.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00215,"percentile":0.11995,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-367"],"published":"2026-06-09T17:05:44Z","modified":"2026-09-24T13:44:36Z","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-2026-45647","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-45647"},{"url":"https://github.com/advisories/GHSA-2rv3-8j9r-chw9"}],"sources":{"cve":[{"id":"CVE-2026-45647","title":"Microsoft Defender for Endpoint for Mac Elevation of Privilege Vulnerability","description":"Time-of-check time-of-use (toctou) race condition in Microsoft Defender for Endpoint allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-06-09T17:05:44.525Z","modified":"2026-09-24T13:44:36.367Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C","level":"medium","assessor":"cna"}],"cwes":["CWE-367"],"updated_at":"2026-11-02T13:46:43.922571Z"}],"euvd":[{"id":"EUVD-2026-35571","description":"Time-of-check time-of-use (toctou) race condition in Microsoft Defender for Endpoint allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-06-09T17:05:44Z","modified":"2026-09-24T13:44:36Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C","level":"medium"}],"updated_at":"2026-11-02T17:27:58.638653Z"}],"ghsa":[{"id":"GHSA-2rv3-8j9r-chw9","title":"Time-of-check time-of-use (toctou) race condition in Microsoft Defender for Endpoint allows an...","description":"Time-of-check time-of-use (toctou) race condition in Microsoft Defender for Endpoint allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-06-09T18:30:53Z","modified":"2026-06-09T18:30:54Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"cwes":["CWE-367"],"updated_at":"2026-11-02T15:08:41.598643Z"}],"nvd":[{"id":"CVE-2026-45647","description":"Time-of-check time-of-use (toctou) race condition in Microsoft Defender for Endpoint allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-06-09T17:17:31.797Z","modified":"2026-07-23T08:10:00.137Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"secondary"},{"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":"primary"}],"cwes":["CWE-367"],"updated_at":"2026-11-02T14:12:23.109705Z"}]}}