{"id":"CVE-2026-84564","title":"An uninitialized memory issue was addressed with improved memory initialization","summary":"An uninitialized memory issue was addressed with improved memory initialization. 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, tvOS 27, visionOS 27, wat…","severity":"medium","cvss":4.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","cwe":["CWE-457"],"vendor":"apple","product":"ipados","affected":["ipados < 26.7","iphone_os < 26.7","macos >= 15.0, < 15.8","macos >= 26.0, < 26.7","tvos < 27.0","visionos < 27.0","watchos < 27.0"],"patched":["ipados 26.7","iphone_os 26.7","macos 26.7","tvos 27.0","visionos 27.0","watchos 27.0"],"published":"2026-09-14","updated":"2026-09-18","sourceUpdated":"2026-09-18T17:29:14.323","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-84564","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/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/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":0.003,"epssPercentile":0.22947,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-17T15:12:39.284650Z"},"ingestedAt":"2026-09-14T21:15:17.505Z","slug":"CVE-2026-84564","body":"## Overview\n\nAn uninitialized memory issue was addressed with improved memory initialization. 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, tvOS 27, visionOS 27, watchOS 27. Processing a maliciously crafted image may result in disclosure of process 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- `tvos < 27.0`\n- `visionos < 27.0`\n- `watchos < 27.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `ipados 26.7`\n- `iphone_os 26.7`\n- `macos 26.7`\n- `tvos 27.0`\n- `visionos 27.0`\n- `watchos 27.0`","depth":"sunlit","depthScore":24,"depthScoreParts":{"impact":23.7,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[{"seq":206210,"id":"CVE-2026-84564","ts":1789662143188,"field":"cvss","old":null,"new":"4.3"},{"seq":206209,"id":"CVE-2026-84564","ts":1789662143188,"field":"severity","old":"none","new":"medium"}]}