{"id":"CVE-2026-86918","published":"2026-10-20T00:50:51Z","modified":"2026-10-26T20:39:56Z","title":"An out-of-bounds write issue was addressed with improved bounds checking","vendor":"Apple","product":"iOS and iPadOS","tier":"tail","description":{"text":"An out-of-bounds write issue 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 image may lead to unexpected app termination.","provenance":"source","from":"CVE.org"},"cvss":{"score":4.3,"severity":"MEDIUM","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","provenance":"source","from":"CISA ADP Vulnrichment"},"epss":{"score":0.00287,"percentile":0.21228,"provenance":"source"},"cwes":[{"id":"CWE-787","name":"Out-of-bounds Write"}],"references":[{"url":"https://support.apple.com/en-us/149034","tags":[]},{"url":"https://support.apple.com/en-us/149035","tags":[]},{"url":"https://support.apple.com/en-us/149036","tags":[]},{"url":"https://support.apple.com/en-us/149037","tags":[]},{"url":"https://support.apple.com/en-us/149038","tags":[]}],"priority":{"score":7.3,"factors":[{"name":"EPSS percentile","points":4.25},{"name":"CVSS severity","points":3.01}]},"vendorSlug":"apple","affectedVersions":[{"vendor":"Apple","product":"iOS and iPadOS","versions":["< 27"]},{"vendor":"Apple","product":"macOS","versions":["< 27"]},{"vendor":"Apple","product":"tvOS","versions":["< 27"]},{"vendor":"Apple","product":"visionOS","versions":["< 27"]},{"vendor":"Apple","product":"watchOS","versions":["< 27"]}],"euvd":{"id":"EUVD-2026-104718","exploited":false,"provenance":"source"},"lineage":{"familyId":"fam-class-apple-ios-macos-cwe-787"}}