CVE-2021-31841: McAfee Agent

High severity, CVSS 7.3. EPSS: 0.2% chance of exploitation in the next 30 days.

A DLL sideloading vulnerability in McAfee Agent for Windows prior to 5.7.4 could allow a local user to perform a DLL sideloading attack with an unsigned DLL with a specific name and in a specific location. This would result in the user gaining elevated permissions and the ability to execute arbitrary code as the system user, through not checking the DLL signature.

Affected products

• McAfee McAfee Agent: before 5.7.4 (fixed in 5.7.4)

Published 2021-09-22. Last modified 2026-06-17.