{"id":"CVE-2026-84510","title":"A heap buffer overflow was addressed with improved bounds checking","summary":"A heap buffer overflow was addressed with improved bounds checking. 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. Mounting a maliciously crafted volume …","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","cwe":["CWE-122"],"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":"2026-09-18T16:36:46.707","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-84510","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":0.0035,"epssPercentile":0.28672,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-17T14:47:38.596884Z"},"ingestedAt":"2026-09-14T21:15:17.517Z","slug":"CVE-2026-84510","body":"## Overview\n\nA heap buffer overflow was addressed with improved bounds checking. 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. Mounting a maliciously crafted volume may lead to unexpected system termination.\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":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[{"seq":206124,"id":"CVE-2026-84510","ts":1789658474974,"field":"cvss","old":null,"new":"6.5"},{"seq":206123,"id":"CVE-2026-84510","ts":1789658474974,"field":"severity","old":"none","new":"medium"}]}