{"id":"CVE-2026-86950","title":"An out-of-bounds write issue was addressed with improved bounds checking","summary":"An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 26.7.1 and iPadOS 26.7.1, macOS Sequoia 15.8.1, macOS Tahoe 26.7.1. Processing a maliciously crafted file may lead to arbitrary code exe…","severity":"high","cvss":8.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","cwe":["CWE-787"],"vendor":"Apple","product":"iOS and iPadOS","affected":["ios_and_ipados < 26.7.1","macOS < 15.8.1","macOS < 26.7.1"],"published":"2026-09-28","updated":"2026-09-28","sourceUpdated":"2026-09-28T21:10:50.050","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-86950","references":[{"url":"https://support.apple.com/en-us/149226","label":"product-security@apple.com"},{"url":"https://support.apple.com/en-us/149228","label":"product-security@apple.com"},{"url":"https://support.apple.com/en-us/149229","label":"product-security@apple.com"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-09-28T19:42:49.828459Z"},"ingestedAt":"2026-09-28T20:20:05.661Z","slug":"CVE-2026-86950","body":"## Overview\n\nAn out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 26.7.1 and iPadOS 26.7.1, macOS Sequoia 15.8.1, macOS Tahoe 26.7.1. Processing a maliciously crafted file may lead to arbitrary code execution. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals on versions of iOS before iOS 27.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":48,"depthScoreParts":{"impact":48.4,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}