CVE-2018-6661: McAfee True Key

High severity, CVSS 7.8. EPSS: 0.8% chance of exploitation in the next 30 days.

DLL Side-Loading vulnerability in Microsoft Windows Client in McAfee True Key before 4.20.110 allows local users to gain privilege elevation via not verifying a particular DLL file signature.

Affected products

• McAfee True Key: up to and including 4.20

Published 2018-04-02. Last modified 2026-06-17.