---
id: CVE-2026-107171
title: >-
  An Hardcoded Cryptographic Key vulnerability existed in Trellix Agent 5.8.4
  via mfecryptc.dll leads to Database Decryption by Regular Users.
summary: >-
  An Hardcoded Cryptographic Key vulnerability existed in Trellix Agent 5.8.4
  via mfecryptc.dll leads to Database Decryption by Regular Users.
severity: none
cwe:
  - CWE-321
published: '2026-10-14'
updated: '2026-10-14'
sourceUpdated: '2026-10-14T08:17:04.100'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-107171'
references:
  - url: 'https://support.trellix.com/s/article/000015866'
    label: trellixpsirt@trellix.com
tags:
  - nvd
ingestedAt: '2026-10-14T08:23:04.341Z'
---

## Overview

An Hardcoded Cryptographic Key vulnerability existed in Trellix Agent 5.8.4 via mfecryptc.dll leads to Database Decryption by Regular Users.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.