CVE-2026-86926

{"id": "CVE-2026-86926", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-86926", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-09-24T14:47:07.003686Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "affected": [{"source": "product-security@apple.com", "affectedData": [{"vendor": "Claris", "product": "FileMaker Server", "versions": [{"status": "affected", "version": "0", "lessThan": "26.0.3", "versionType": "custom"}]}]}], "published": "2026-09-23T18:17:09.587", "references": [{"url": "https://support.claris.com/s/answerview?anum=000049219&language=en_US", "tags": ["Vendor Advisory"], "source": "product-security@apple.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-122"}]}], "descriptions": [{"lang": "en", "value": "A heap buffer overflow vulnerability in the FileMaker Server database engine block parsing routine allowed a maliciously crafted .fmp12 database file to cause memory corruption, potentially leading to arbitrary code execution. This vulnerability is addressed in FileMaker Server version 26.0.3."}], "lastModified": "2026-10-06T13:09:34.440", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:claris:filemaker_server:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E5C76BCB-BC4B-4592-8963-B51A7A5C211B", "versionEndExcluding": "26.0.3"}], "operator": "OR"}]}], "sourceIdentifier": "product-security@apple.com"}