{"id":"CVE-2026-43783","published":"2026-09-14T20:50:57Z","modified":"2026-09-15T03:56:23Z","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 Tahoe 26.6. A malicious app may be able to gain root privileges.","provenance":"source","from":"CVE.org"},"cvss":{"score":7.8,"severity":"HIGH","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","provenance":"source","from":"CISA ADP Vulnrichment"},"epss":{"score":0.00129,"percentile":0.02504,"provenance":"source"},"cwes":[{"id":"CWE-362","name":"Concurrent Execution using Shared Resource with Improper Synchronization"}],"references":[{"url":"https://support.apple.com/en-us/128067","tags":[]}],"priority":{"score":11.0,"factors":[{"name":"EPSS percentile","points":0.5},{"name":"Public exploit code","points":5.0},{"name":"CVSS severity","points":5.46}]},"exploitSources":{"pocGithub":{"count":1,"skipped":0,"earliest":"2026-08-13","earliestUrl":"https://github.com/andrd3v/CVE-2026-43783","repos":[{"name":"andrd3v/CVE-2026-43783","url":"https://github.com/andrd3v/CVE-2026-43783","stars":23,"created":"2026-08-13"}]},"first":{"date":"2026-08-13","source":"PoC-in-GitHub","url":"https://github.com/andrd3v/CVE-2026-43783"},"provenance":"source"},"vendorSlug":"apple","affectedVersions":[{"vendor":"Apple","product":"macOS","versions":["< 26.6"]}],"euvd":{"id":"EUVD-2026-77936","exploited":false,"provenance":"source"},"lineage":{"familyId":"fam-class-apple-ios-macos-cwe-362"}}