Exploited. On CISA's list since 2021-11-03.
McAfee Total Protection (MTP) Improper Privilege Management Vulnerability
CVE-2021-23874 · McAfee McAfee Total Protection (MTP) · Published 2021-02-10
How bad would it be?
7.8 out of 10
CVSS rates it high.
How likely is it to be used?
1.0%
Estimated chance of exploitation in the next 30 days, higher than 63% of all scored flaws (EPSS, 2026-10-29).
Is it already being used?
Yes
CISA has seen it exploited in real attacks. For US government agencies the fix is deadline passed 1808 days ago (2021-11-17).
What CISA says to do
Apply updates per vendor instructions.
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.
What the flaw is
Arbitrary Process Execution vulnerability in McAfee Total Protection (MTP) prior to 16.0.30 allows a local user to gain elevated privileges and execute arbitrary code bypassing MTP self-defense.
From the NVD.
Learn this
Explore this week’s weaknesses and all learning topics
Understand the kind of weakness behind this flaw. These resources teach the weakness, rather than reproduce this specific CVE. Follow the vendor's advice above to fix the affected product.
CWE-269 · NVD record: trellixpsirt@trellix.com. We have not selected a close learning match for this label.
CWE-284 · CISA KEV. We have not selected a close learning match for this label.
CWE-732 · NVD record: nvd@nist.gov. We have not selected a close learning match for this label.
CWE is a catalogue of weakness types. Labels come from the sources shown and can differ or change. Resource matches reviewed 16 October 2026.
On SentryFeed
No story in the last 14 days has mentioned it.
Exploited flaws from CISA's KEV catalogue. Chance of exploitation from EPSS by FIRST. Descriptions and scores from the NVD. This product uses the NVD API but is not endorsed or certified by the NVD.