{"id":"CVE-2026-56178","aliases":["EUVD-2026-44253","GHSA-2q3v-wwm5-c8hw"],"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":"2026-11-09","score":0.00233,"percentile":0.14263,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-367"],"published":"2026-07-14T17:09:24Z","modified":"2026-11-03T22:13:28Z","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-2026-56178","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-56178"},{"url":"https://github.com/advisories/GHSA-2q3v-wwm5-c8hw"}],"sources":{"cve":[{"id":"CVE-2026-56178","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":"2026-07-14T17:09:24.821Z","modified":"2026-11-03T22:13:28.31Z","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":"2026-11-03T23:33:09.822755Z"}],"euvd":[{"id":"EUVD-2026-44253","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":"2026-07-14T17:09:24Z","modified":"2026-11-03T22:13:28Z","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":"2026-11-03T23:01:34.013136Z"}],"ghsa":[{"id":"GHSA-2q3v-wwm5-c8hw","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":"2026-07-14T18:32:37Z","modified":"2026-07-14T18:32:43Z","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":"2026-11-02T15:09:30.715875Z"}],"nvd":[{"id":"CVE-2026-56178","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":"2026-07-14T18:18:23.917Z","modified":"2026-11-03T23:17:48.573Z","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":"2026-11-04T01:48:34.004968Z"}]}}