CVE-2021-23883: McAfee Endpoint Security

Medium severity, CVSS 4.4. EPSS: 0.3% chance of exploitation in the next 30 days.

A Null Pointer Dereference vulnerability in McAfee Endpoint Security (ENS) for Windows prior to 10.7.0 February 2021 Update allows a local administrator to cause Windows to crash via a specific system call which is not handled correctly. This varies by machine and had partial protection prior to this update.

Affected products

• McAfee Endpoint Security: before 10.7.0 (fixed in 10.7.0)

Published 2021-02-10. Last modified 2026-06-17.