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High severity7.8NVD Advisory· Published Sep 23, 2026· Updated Oct 6, 2026

CVE-2026-86926

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.

Affected products

2
  • Claris/Filemaker Server2 versions
    cpe:2.3:a:claris:filemaker_server:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:claris:filemaker_server:*:*:*:*:*:*:*:*range: <26.0.3
    • (no CPE)range: before 26.0.3

Patches

Vulnerability mechanics

References

1

News mentions

0

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