CVE-2026-86926

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.

CVSS Vector

References

• https://support.claris.com/s/answerview?anum=000049219&language=en_US