{"id":"CVE-2026-84596","title":"An out-of-bounds read was addressed with improved bounds checking","summary":"An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 27 and iPadOS 27, macOS Golden Gate 27, tvOS 27, visionOS 27, watchOS 27. Processing a maliciously crafted font may result in the disclosure of…","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","cwe":["CWE-125"],"vendor":"apple","product":"ipados","affected":["ipados < 27.0","iphone_os < 27.0","macos < 27.0","tvos < 27.0","visionos < 27.0","watchos < 27.0"],"patched":["ipados 27.0","iphone_os 27.0","macos 27.0","tvos 27.0","visionos 27.0","watchos 27.0"],"published":"2026-09-14","updated":"2026-09-16","sourceUpdated":"2026-09-16T01:06:22.940","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-84596","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"}],"tags":["nvd","cve.org"],"epss":0.00398,"epssPercentile":0.33813,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-15T14:47:00.667363Z"},"ingestedAt":"2026-09-14T21:15:17.474Z","slug":"CVE-2026-84596","body":"## Overview\n\nAn out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 27 and iPadOS 27, macOS Golden Gate 27, tvOS 27, visionOS 27, watchOS 27. Processing a maliciously crafted font may result in the disclosure of process memory.\n\n## Affected\n\n- `ipados < 27.0`\n- `iphone_os < 27.0`\n- `macos < 27.0`\n- `tvos < 27.0`\n- `visionos < 27.0`\n- `watchos < 27.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `ipados 27.0`\n- `iphone_os 27.0`\n- `macos 27.0`\n- `tvos 27.0`\n- `visionos 27.0`\n- `watchos 27.0`","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[{"seq":203777,"id":"CVE-2026-84596","ts":1789486792156,"field":"cvss","old":null,"new":"6.5"},{"seq":203776,"id":"CVE-2026-84596","ts":1789486792156,"field":"severity","old":"none","new":"medium"}]}