CVE-2021-23874
McAfee Total Protection (MTP) Improper Privilege Management Vulnerability
McAfee · McAfee Total Protection (MTP)
Vulnerability details
McAfee Total Protection (MTP) contains an improper privilege management vulnerability that allows a local user to gain elevated privileges and execute code, bypassing MTP self-defense.
Added to CISA KEV: 2021-11-03
Ransomware campaign use: Unknown
CISA due date: 2021-11-17
Defensive guidance from CISA
Apply updates per vendor instructions.
This is the source's required-action field, not an independently validated patch procedure. Refer to the vendor for exact affected versions and fixes.
Source catalog date: 2026-11-06T19:44:45.1797Z · Last retrieved: 2026-11-06 21:02:26 UTC