{"id":"CVE-2026-86963","published":"2026-10-20T00:50:56Z","modified":"2026-10-26T20:39:40Z","title":"A denial-of-service issue was addressed with improved input validation","vendor":"Apple","product":"iOS and iPadOS","tier":"tail","description":{"text":"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.","provenance":"source","from":"CVE.org"},"cvss":{"score":5.9,"severity":"MEDIUM","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","provenance":"source","from":"CISA ADP Vulnrichment"},"epss":{"score":0.00341,"percentile":0.27551,"provenance":"source"},"cwes":[{"id":"CWE-20","name":"Improper Input Validation"}],"references":[{"url":"https://support.apple.com/en-us/149034","tags":[]},{"url":"https://support.apple.com/en-us/149041","tags":[]}],"priority":{"score":9.6,"factors":[{"name":"EPSS percentile","points":5.51},{"name":"CVSS severity","points":4.13}]},"vendorSlug":"apple","affectedVersions":[{"vendor":"Apple","product":"iOS and iPadOS","versions":["< 26.7","< 27"]}],"euvd":{"id":"EUVD-2026-104736","exploited":false,"provenance":"source"},"lineage":{"familyId":"fam-class-apple-ios-macos-cwe-20"}}