{"id":"CVE-2026-86963","title":"A denial-of-service issue was addressed with improved input validation","summary":"A denial-of-service issue was addressed with improved input validation. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27. An attacker in a privileged network position may be able to cause a denial-of-service.","severity":"medium","cvss":5.9,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","cvssSource":"adp","vendor":"Apple","product":"iOS and iPadOS","affected":["ios_and_ipados < 26.7","ios_and_ipados < 27"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-20T10:12:56.854736Z"},"published":"2026-10-20","updated":"2026-10-26","sourceUpdated":"2026-10-26T20:39:40.420Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-86963","references":[{"url":"https://support.apple.com/en-us/149034"},{"url":"https://support.apple.com/en-us/149041"}],"tags":["cve.org"],"epss":0.00341,"epssPercentile":0.27471,"ingestedAt":"2026-10-20T01:49:42.585Z","slug":"CVE-2026-86963","body":"## Overview\n\nA denial-of-service issue was addressed with improved input validation. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27. An attacker in a privileged network position may be able to cause a denial-of-service.\n\n## Affected\n\n- `ios_and_ipados < 26.7`\n- `ios_and_ipados < 27`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":33,"depthScoreParts":{"impact":32.5,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[{"seq":225443,"id":"CVE-2026-86963","ts":1792497985954,"field":"cvss","old":null,"new":"5.9"},{"seq":225442,"id":"CVE-2026-86963","ts":1792497985954,"field":"severity","old":"none","new":"medium"}]}