CVE-2026-86938 Privilege escalation in FileMaker Pro

High 7.3 Published 23 Sep 2026 Updated 24 Sep 2026

Local attackers can execute arbitrary code with administrator privileges via DLL hijacking in the FileMaker Pro Windows installer.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2026-86938?

CVE-2026-86938 is a high-severity vulnerability in Claris FileMaker Pro, published on 23 Sep 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

A DLL hijacking vulnerability in the FileMaker Pro installer for Windows allowed a local user to execute arbitrary code with elevated administrator privileges by placing a malicious DLL file in the installer directory. This vulnerability is addressed in FileMaker Pro version 26.0.3.

Weakness: CWE-639

Which versions are affected by CVE-2026-86938?

It affects 1 product.

Products include Claris Filemaker Pro.

How do I fix CVE-2026-86938?

No fix has been published for CVE-2026-86938 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-86938 being exploited?

There is no known exploitation of CVE-2026-86938 in the wild and no public exploit code.

Sources

Also known as GHSA-vqf5-hmj7-qj4q.