{"id":"CVE-2026-86921","title":"A permissions issue was addressed with improved validation","summary":"A permissions issue was addressed with improved validation. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, visionOS 27. A local attacker may be able to overwrite restricted files.","severity":"medium","cvss":6.2,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","cvssSource":"adp","vendor":"Apple","product":"iOS and iPadOS","affected":["ios_and_ipados < 26.7","ios_and_ipados < 27","macOS < 27","visionOS < 27"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-20T10:36:26.500383Z"},"published":"2026-10-20","updated":"2026-10-26","sourceUpdated":"2026-10-26T20:37:13.201Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-86921","references":[{"url":"https://support.apple.com/en-us/149034"},{"url":"https://support.apple.com/en-us/149035"},{"url":"https://support.apple.com/en-us/149038"},{"url":"https://support.apple.com/en-us/149041"}],"tags":["cve.org"],"epss":0.00142,"epssPercentile":0.03532,"ingestedAt":"2026-10-20T01:49:42.591Z","slug":"CVE-2026-86921","body":"## Overview\n\nA permissions issue was addressed with improved validation. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, visionOS 27. A local attacker may be able to overwrite restricted files.\n\n## Affected\n\n- `ios_and_ipados < 26.7`\n- `ios_and_ipados < 27`\n- `macOS < 27`\n- `visionOS < 27`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":34,"depthScoreParts":{"impact":34.1,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":225421,"id":"CVE-2026-86921","ts":1792497974149,"field":"cvss","old":null,"new":"6.2"},{"seq":225420,"id":"CVE-2026-86921","ts":1792497974149,"field":"severity","old":"none","new":"medium"}]}