{"id":"CVE-2026-84593","title":"A use after free issue was addressed with improved memory management","summary":"A use after free issue was addressed with improved memory management. This issue is fixed in iOS 27 and iPadOS 27. An app may be able to cause unexpected system termination.","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-416"],"vendor":"apple","product":"ipados","affected":["ipados < 27.0","iphone_os < 27.0"],"patched":["ipados 27.0","iphone_os 27.0"],"published":"2026-09-14","updated":"2026-09-17","sourceUpdated":"2026-09-17T15:57:27.817","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-84593","references":[{"url":"https://support.apple.com/en-us/149034","label":"product-security@apple.com"}],"tags":["nvd","cve.org"],"epss":0.00146,"epssPercentile":0.04271,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-15T16:58:28.865575Z"},"ingestedAt":"2026-09-14T21:15:17.537Z","slug":"CVE-2026-84593","body":"## Overview\n\nA use after free issue was addressed with improved memory management. This issue is fixed in iOS 27 and iPadOS 27. An app may be able to cause unexpected system termination.\n\n## Affected\n\n- `ipados < 27.0`\n- `iphone_os < 27.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `ipados 27.0`\n- `iphone_os 27.0`","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":204330,"id":"CVE-2026-84593","ts":1789494096895,"field":"cvss","old":null,"new":"5.5"},{"seq":204329,"id":"CVE-2026-84593","ts":1789494096895,"field":"severity","old":"none","new":"medium"}]}