{"id":"CVE-2026-84566","title":"The issue was addressed with improved memory handling","summary":"The issue was addressed with improved memory handling. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. A local attacker may be able to cause unexpected sy…","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-119"],"vendor":"apple","product":"ipados","affected":["ipados < 26.7","iphone_os < 26.7","macos >= 15.0, < 15.8","macos >= 26.0, < 26.7"],"patched":["ipados 26.7","iphone_os 26.7","macos 26.7"],"published":"2026-09-14","updated":"2026-09-18","sourceUpdated":"2026-09-18T17:31:04.710","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-84566","references":[{"url":"https://support.apple.com/en-us/149034","label":"product-security@apple.com"},{"url":"https://support.apple.com/en-us/149035","label":"product-security@apple.com"},{"url":"https://support.apple.com/en-us/149041","label":"product-security@apple.com"},{"url":"https://support.apple.com/en-us/149042","label":"product-security@apple.com"},{"url":"https://support.apple.com/en-us/149043","label":"product-security@apple.com"}],"tags":["nvd","cve.org"],"epss":0.00132,"epssPercentile":0.03172,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-09-17T15:18:45.330960Z"},"ingestedAt":"2026-09-14T21:15:17.529Z","slug":"CVE-2026-84566","body":"## Overview\n\nThe issue was addressed with improved memory handling. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. A local attacker may be able to cause unexpected system termination or corrupt kernel memory.\n\n## Affected\n\n- `ipados < 26.7`\n- `iphone_os < 26.7`\n- `macos >= 15.0, < 15.8`\n- `macos >= 26.0, < 26.7`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `ipados 26.7`\n- `iphone_os 26.7`\n- `macos 26.7`","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":207045,"id":"CVE-2026-84566","ts":1789753635856,"field":"cvss","old":"8.4","new":"7.8"},{"seq":206212,"id":"CVE-2026-84566","ts":1789662143197,"field":"cvss","old":null,"new":"8.4"},{"seq":206211,"id":"CVE-2026-84566","ts":1789662143197,"field":"severity","old":"none","new":"high"}]}