{"id":"CVE-2026-64767","title":"A buffer overflow was addressed with improved bounds checking","summary":"A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.7.8, macOS Sequoia 15.8.2, macOS Sonoma 14.8.8, macOS Tahoe 26.6. A remote attacker may be able to cause unexpected system termination…","severity":"critical","cvss":9.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cvssSource":"adp","vendor":"Apple","product":"macOS","affected":["macOS < 14.8.8","macOS < 15.7.8","macOS < 15.8.2","macOS < 26.6"],"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"total","timestamp":"2026-07-28T14:02:03.579422Z"},"published":"2026-07-27","updated":"2026-10-26","sourceUpdated":"2026-10-26T20:40:00.552Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-64767","references":[{"url":"https://support.apple.com/en-us/128067"},{"url":"https://support.apple.com/en-us/128071"},{"url":"https://support.apple.com/en-us/128072"},{"url":"https://support.apple.com/en-us/149523"}],"tags":["cve.org"],"epss":0.00895,"epssPercentile":0.59326,"ingestedAt":"2026-10-27T16:11:58.980Z","slug":"CVE-2026-64767","body":"## Overview\n\nA buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.7.8, macOS Sequoia 15.8.2, macOS Sonoma 14.8.8, macOS Tahoe 26.6. A remote attacker may be able to cause unexpected system termination or corrupt kernel memory.\n\n## Affected\n\n- `macOS < 14.8.8`\n- `macOS < 15.7.8`\n- `macOS < 15.8.2`\n- `macOS < 26.6`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":54,"depthScoreParts":{"impact":53.9,"likelihood":0.2,"exploitation":0,"ransomware":0},"changes":[]}