{"id":"CVE-2026-64736","title":"An out-of-bounds access issue was addressed with improved bounds checking","summary":"An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in iOS 26.6.1 and iPadOS 26.6.1, macOS Sequoia 15.8, macOS Tahoe 26.6.2, tvOS 27, visionOS 27, watchOS 27. An app may be able to cause unexpec…","severity":"high","cvss":7.1,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","cwe":["CWE-125","CWE-787"],"vendor":"apple","product":"ipados","affected":["ipados < 26.6.1","iphone_os < 26.6.1","macos >= 15.0, < 15.8","macos >= 26.0, < 26.6.2","tvos < 27.0","visionos < 27.0","watchos < 27.0"],"patched":["ipados 26.6.1","iphone_os 26.6.1","macos 26.6.2","tvos 27.0","visionos 27.0","watchos 27.0"],"published":"2026-09-14","updated":"2026-09-15","sourceUpdated":"2026-09-15T19:30:41.410","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-64736","references":[{"url":"https://support.apple.com/en-us/148281","label":"product-security@apple.com"},{"url":"https://support.apple.com/en-us/148282","label":"product-security@apple.com"},{"url":"https://support.apple.com/en-us/149036","label":"product-security@apple.com"},{"url":"https://support.apple.com/en-us/149037","label":"product-security@apple.com"},{"url":"https://support.apple.com/en-us/149038","label":"product-security@apple.com"},{"url":"https://support.apple.com/en-us/149043","label":"product-security@apple.com"}],"tags":["nvd","cve.org"],"epss":0.00162,"epssPercentile":0.05817,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-15T15:25:00.602494Z"},"ingestedAt":"2026-09-14T21:15:17.484Z","slug":"CVE-2026-64736","body":"## Overview\n\nAn out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in iOS 26.6.1 and iPadOS 26.6.1, macOS Sequoia 15.8, macOS Tahoe 26.6.2, tvOS 27, visionOS 27, watchOS 27. An app may be able to cause unexpected system termination or corrupt kernel memory.\n\n## Affected\n\n- `ipados < 26.6.1`\n- `iphone_os < 26.6.1`\n- `macos >= 15.0, < 15.8`\n- `macos >= 26.0, < 26.6.2`\n- `tvos < 27.0`\n- `visionos < 27.0`\n- `watchos < 27.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `ipados 26.6.1`\n- `iphone_os 26.6.1`\n- `macos 26.6.2`\n- `tvos 27.0`\n- `visionos 27.0`\n- `watchos 27.0`","depth":"twilight","depthScore":39,"depthScoreParts":{"impact":39.1,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":203757,"id":"CVE-2026-64736","ts":1789486789461,"field":"cvss","old":null,"new":"7.1"},{"seq":203756,"id":"CVE-2026-64736","ts":1789486789461,"field":"severity","old":"none","new":"high"}]}