{"id":"CVE-2026-86879","title":"A denial-of-service issue was addressed with improved input validation","summary":"A denial-of-service issue was addressed with improved input validation. This issue is fixed in iOS 27 and iPadOS 27. A remote attacker may be able to cause a denial-of-service.","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","cwe":["CWE-20"],"vendor":"apple","product":"ipados","affected":["ipados < 27.0","iphone_os < 27.0"],"patched":["ipados 27.0","iphone_os 27.0"],"published":"2026-09-14","updated":"2026-09-15","sourceUpdated":"2026-09-15T17:27:38.693","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-86879","references":[{"url":"https://support.apple.com/en-us/149034","label":"product-security@apple.com"}],"tags":["nvd","cve.org"],"epss":0.00371,"epssPercentile":0.30812,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-14T22:58:56.086856Z"},"ingestedAt":"2026-09-14T21:15:17.551Z","slug":"CVE-2026-86879","body":"## Overview\n\nA denial-of-service issue was addressed with improved input validation. This issue is fixed in iOS 27 and iPadOS 27. A remote attacker may be able to cause a denial-of-service.\n\n## Affected\n\n- `ipados < 27.0`\n- `iphone_os < 27.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `ipados 27.0`\n- `iphone_os 27.0`","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[{"seq":203363,"id":"CVE-2026-86879","ts":1789427860210,"field":"cvss","old":null,"new":"6.5"},{"seq":203362,"id":"CVE-2026-86879","ts":1789427860210,"field":"severity","old":"none","new":"medium"}]}