{"id":"CVE-2026-86926","state":"PUBLISHED","title":"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, po","description":"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.","publishedAt":"2026-09-23T17:20:18.495Z","updatedAt":"2026-09-24T14:47:59.587Z","severity":{"score":7.8,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","source":"CISA-ADP"},"assigner":"apple","products":["Claris FileMaker Server"],"affected":[{"vendor":"Claris","product":"FileMaker Server","versions":[{"version":"0","status":"affected","lessThan":"26.0.3","versionType":"custom"}]}],"references":["https://support.claris.com/s/answerview?anum=000049219&language=en_US"],"weaknesses":["CWE-122"],"ingestedAt":"2026-10-29T20:13:26.108Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/86xxx/CVE-2026-86926.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-86926","state":"PUBLISHED","datePublished":"2026-09-23T17:20:18.495Z","dateUpdated":"2026-09-24T14:47:59.587Z","assignerShortName":"apple","assignerOrgId":"286789f9-fbc2-4510-9f9a-43facdede74c","dateReserved":"2026-09-08T16:43:41.878Z"},"containers":{"cna":{"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."}],"affected":[{"vendor":"Claris","product":"FileMaker Server","versions":[{"version":"0","status":"affected","lessThan":"26.0.3","versionType":"custom"}]}],"references":[{"url":"https://support.claris.com/s/answerview?anum=000049219&language=en_US"}],"problemTypes":[{"descriptions":[{"lang":"en","description":"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."}]}],"providerMetadata":{"shortName":"apple","orgId":"286789f9-fbc2-4510-9f9a-43facdede74c","dateUpdated":"2026-09-23T17:20:18.495Z"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"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"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-09-24T14:47:07.003686Z","id":"CVE-2026-86926","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-122","type":"CWE","lang":"en","description":"CWE-122 Heap-based Buffer Overflow"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-24T14:47:59.587Z"}}]}}}