{"id":"CVE-2026-65391","published":"2026-09-14T20:47:50Z","modified":"2026-10-26T20:34:34Z","title":"An out-of-bounds write issue was addressed with improved bounds checking","vendor":"Apple","product":"Safari","tier":"tail","description":{"text":"An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in Safari 26.6.1, iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2, tvOS 27, visionOS 27, watchOS 27. Processing maliciously crafted web content may lead to memory corruption.","provenance":"source","from":"CVE.org"},"cvss":{"score":8.8,"severity":"HIGH","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","provenance":"source","from":"CISA ADP Vulnrichment"},"epss":{"score":0.00413,"percentile":0.35417,"provenance":"source"},"cwes":[{"id":"CWE-190","name":"Integer Overflow or Wraparound"}],"references":[{"url":"https://support.apple.com/en-us/148281","tags":[]},{"url":"https://support.apple.com/en-us/148282","tags":[]},{"url":"https://support.apple.com/en-us/148286","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":13.2,"factors":[{"name":"EPSS percentile","points":7.08},{"name":"CVSS severity","points":6.16}]},"vendorSlug":"apple","affectedVersions":[{"vendor":"Apple","product":"Safari","versions":["< 26.6.1"]},{"vendor":"Apple","product":"iOS and iPadOS","versions":["< 26.6.1"]},{"vendor":"Apple","product":"macOS","versions":["< 26.6.2"]},{"vendor":"Apple","product":"tvOS","versions":["< 27"]},{"vendor":"Apple","product":"visionOS","versions":["< 27"]},{"vendor":"Apple","product":"watchOS","versions":["< 27"]}],"euvd":{"id":"EUVD-2026-77978","exploited":false,"provenance":"source"},"lineage":{"familyId":"fam-class-apple-ios-macos-cwe-190"}}