{"id":"CVE-2026-86981","title":"An out-of-bounds write issue was addressed with improved bounds checking","summary":"An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.8, macOS Tahoe 26.7. An app may be able to cause unexpected system termination.","severity":"none","vendor":"Apple","product":"macOS","affected":["macOS < 15.8","macOS < 26.7"],"published":"2026-10-20","updated":"2026-10-20","sourceUpdated":"2026-10-20T00:50:57.929Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-86981","references":[{"url":"https://support.apple.com/en-us/149042"},{"url":"https://support.apple.com/en-us/149043"}],"tags":["cve.org"],"ingestedAt":"2026-10-20T01:49:42.585Z","slug":"CVE-2026-86981","body":"## Overview\n\nAn out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.8, macOS Tahoe 26.7. An app may be able to cause unexpected system termination.\n\n## Affected\n\n- `macOS < 15.8`\n- `macOS < 26.7`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}