{"id":"CVE-2026-86886","title":"A path traversal issue was addressed with improved input validation","summary":"A path traversal issue was addressed with improved input validation. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, watchOS 27. An app may be able to modify protected system files.","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","cwe":["CWE-22"],"vendor":"apple","product":"ipados","affected":["ipados < 26.7","iphone_os < 26.7","watchos < 27.0"],"patched":["ipados 26.7","iphone_os 26.7","watchos 27.0"],"published":"2026-09-14","updated":"2026-09-18","sourceUpdated":"2026-09-18T15:01:44.480","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-86886","references":[{"url":"https://support.apple.com/en-us/149034","label":"product-security@apple.com"},{"url":"https://support.apple.com/en-us/149037","label":"product-security@apple.com"},{"url":"https://support.apple.com/en-us/149041","label":"product-security@apple.com"}],"tags":["nvd","cve.org"],"epss":0.00169,"epssPercentile":0.05557,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-17T15:38:22.958531Z"},"ingestedAt":"2026-09-14T21:15:17.532Z","slug":"CVE-2026-86886","body":"## Overview\n\nA path traversal issue was addressed with improved input validation. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, watchOS 27. An app may be able to modify protected system files.\n\n## Affected\n\n- `ipados < 26.7`\n- `iphone_os < 26.7`\n- `watchos < 27.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `ipados 26.7`\n- `iphone_os 26.7`\n- `watchos 27.0`","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":206239,"id":"CVE-2026-86886","ts":1789662143357,"field":"cvss","old":null,"new":"5.5"},{"seq":206238,"id":"CVE-2026-86886","ts":1789662143357,"field":"severity","old":"none","new":"medium"}]}