{"id":"CVE-2026-86874","title":"An out-of-bounds read was addressed with improved input validation","summary":"An out-of-bounds read was addressed with improved input validation. This issue is fixed in Xcode 27. Parsing a maliciously crafted binary may lead to unexpected tool termination.","severity":"low","cvss":3.3,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","cvssSource":"adp","vendor":"Apple","product":"Xcode","affected":["Xcode < 27"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-20T14:30:19.888216Z"},"published":"2026-10-20","updated":"2026-10-20","sourceUpdated":"2026-10-20T14:30:23.511Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-86874","references":[{"url":"https://support.apple.com/en-us/149040"}],"tags":["cve.org"],"epss":0.00134,"epssPercentile":0.02853,"ingestedAt":"2026-10-20T01:49:42.596Z","slug":"CVE-2026-86874","body":"## Overview\n\nAn out-of-bounds read was addressed with improved input validation. This issue is fixed in Xcode 27. Parsing a maliciously crafted binary may lead to unexpected tool termination.\n\n## Affected\n\n- `Xcode < 27`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":18,"depthScoreParts":{"impact":18.2,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":225920,"id":"CVE-2026-86874","ts":1792509026067,"field":"cvss","old":null,"new":"3.3"},{"seq":225919,"id":"CVE-2026-86874","ts":1792509026067,"field":"severity","old":"none","new":"low"}]}