{"id":"CVE-2026-86926","published":"2026-09-23T18:17:09.587","lastModified":"2026-09-24T15:17:49.453","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.","cvssScore":7.8,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","cwes":["CWE-122"],"vendors":[],"products":[],"references":[{"url":"https://support.claris.com/s/answerview?anum=000049219&language=en_US","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":null}