{"id":"CVE-2026-86915","published":"2026-10-20T00:50:50Z","modified":"2026-10-26T20:41:05Z","title":"A race condition was addressed with improved locking","vendor":"Apple","product":"macOS","tier":"tail","description":{"text":"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.","provenance":"source","from":"CVE.org"},"cvss":{"score":4.7,"severity":"MEDIUM","version":"3.1","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","provenance":"source","from":"CISA ADP Vulnrichment"},"epss":{"score":0.00095,"percentile":0.00651,"provenance":"source"},"cwes":[{"id":"CWE-362","name":"Concurrent Execution using Shared Resource with Improper Synchronization"}],"references":[{"url":"https://support.apple.com/en-us/149035","tags":[]}],"priority":{"score":3.4,"factors":[{"name":"EPSS percentile","points":0.13},{"name":"CVSS severity","points":3.29}]},"vendorSlug":"apple","affectedVersions":[{"vendor":"Apple","product":"macOS","versions":["< 27"]}],"euvd":{"id":"EUVD-2026-104717","exploited":false,"provenance":"source"},"lineage":{"familyId":"fam-class-apple-ios-macos-cwe-362"}}