ACTIVELY EXPLOITED

CVE-2021-23874: McAfee Total Protection (MTP) Improper Privilege Management Vulnerability

Facts
VendorMcAfee
ProductMcAfee Total Protection (MTP)
Actively exploitedYes
Added to CISA KEV3 Nov 2021
CISA federal deadline17 Nov 2021
Weakness (CWE)CWE-284

Required action (CISA's text)

Apply updates per vendor instructions.

Description (NVD)

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.

SOURCES

Data from NVD, CISA KEV, FIRST EPSS and vendor advisories. Updated 10 Nov 2026.