OCTOBER 7, 2026
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Case File

CVE-2026-86926

HIGH · CVSS 7.8 EPSS 0.13% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-09-23 · Last synced 2026-10-07

CyberRota Analysis

AI-Generated

A heap buffer overflow vulnerability in the FileMaker Server database engine can be exploited through a specially crafted .fmp12 database file, resulting in memory corruption and the potential for arbitrary code execution. Organizations using affected versions of FileMaker Server should prioritize applying the patch provided in version 26.0.3 to mitigate the risk of exploitation.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
arbitrary code execution code execution

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-86926
Severity
HIGH
CVSS
7.8
EPSS
0.13%

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)