{"id":"CVE-2026-86915","title":"A race condition was addressed with improved locking","summary":"A race condition was addressed with improved locking. This issue is fixed in macOS Golden Gate 27. An app may be able to cause unexpected system termination.","severity":"medium","cvss":4.7,"cvssVector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","cvssSource":"adp","vendor":"Apple","product":"macOS","affected":["macOS < 27"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-20T14:06:12.653801Z"},"published":"2026-10-20","updated":"2026-10-26","sourceUpdated":"2026-10-26T20:41:05.461Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-86915","references":[{"url":"https://support.apple.com/en-us/149035"}],"tags":["cve.org"],"epss":0.00095,"epssPercentile":0.00652,"ingestedAt":"2026-10-20T01:49:42.593Z","slug":"CVE-2026-86915","body":"## Overview\n\nA race condition was addressed with improved locking. This issue is fixed in macOS Golden Gate 27. An app may be able to cause unexpected system termination.\n\n## Affected\n\n- `macOS < 27`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":26,"depthScoreParts":{"impact":25.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":225939,"id":"CVE-2026-86915","ts":1792509037995,"field":"cvss","old":null,"new":"4.7"},{"seq":225938,"id":"CVE-2026-86915","ts":1792509037995,"field":"severity","old":"none","new":"medium"}]}