{"id":"CVE-2026-64767","aliases":["EUVD-2026-49551","GHSA-84qx-fjmg-vr64"],"status":"published","title":"A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS...","description":"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 or corrupt kernel memory.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-10","score":0.00895,"percentile":0.59819,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120"],"published":"2026-07-27T20:13:51Z","modified":"2026-10-26T21:35:42Z","products":[{"vendor":"apple","product":"macos"}],"references":[{"url":"https://support.apple.com/en-us/128067","tags":["Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/128071","tags":["Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/128072","tags":["Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/149523"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-64767"},{"url":"https://github.com/advisories/GHSA-84qx-fjmg-vr64"}],"sources":{"cve":[{"id":"CVE-2026-64767","description":"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 or corrupt kernel memory.","status":"published","published":"2026-07-27T20:13:51.882Z","modified":"2026-10-26T20:40:00.552Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"adp"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:19:57.818032Z"}],"euvd":[{"id":"EUVD-2026-49551","description":"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 or corrupt kernel memory.","status":"published","published":"2026-07-27T20:13:51Z","modified":"2026-10-26T20:40:00Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T16:59:26.685361Z"}],"ghsa":[{"id":"GHSA-84qx-fjmg-vr64","title":"A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS...","description":"A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. A remote attacker may be able to cause unexpected system termination or corrupt kernel memory.","status":"published","published":"2026-07-27T21:31:29Z","modified":"2026-10-26T21:35:42Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T15:14:25.232123Z"}],"nvd":[{"id":"CVE-2026-64767","description":"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 or corrupt kernel memory.","status":"published","published":"2026-07-27T21:17:14.823Z","modified":"2026-10-26T21:18:34.433Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:12:33.249634Z"}]}}