CVE-2021-23893: McAfee Drive Encryption

High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days.

Privilege Escalation vulnerability in a Windows system driver of McAfee Drive Encryption (DE) prior to 7.3.0 could allow a local non-admin user to gain elevated system privileges via exploiting an unutilized memory buffer.

Affected products

• McAfee Drive Encryption: before 7.3.0 (fixed in 7.3.0); version 7.3.0 only

Published 2021-10-01. Last modified 2026-06-17.