High 8.2Known exploited (CISA KEV)Published Feb 10, 2021

CVE-2021-23874McAfee Total Protection (MTP) privilege escalation vulnerability

Updated under an hour ago (Oct 27, 2026, 4:30 PM ET)

Does this affect you?

It affects McAfee,LLC McAfee Total Protection (MTP) and 1 other product. Add what you run to find out whether that includes you.

CISA lists it as known exploited since Nov 3, 2021; federal agencies had to remediate by Nov 17, 2021. Treat that date as your deadline.

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Every CVE for McAfee,LLC McAfee Total Protection (MTP)

Exploited in the last 30 days

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.

CVSS: 8.2 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
Weakness (CWE): CWE-269
Known exploited: Added to CISA KEV Nov 3, 2021; federal remediation due Nov 17, 2021Apply updates per vendor instructions.
EPSS (exploitation in the next 30 days): 1.03% (percentile 63)
Assigned by: trellix
NVD analysis: Analyzed
Record last updated: Oct 21, 2025
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

McAfee,LLC McAfee Total Protection (MTP) mcafee:total_protection_mtp (from the name)	from unspecified before 16.0.30	CNA record
mcafee total_protection mcafee:total_protection	before 16.0.30	NVD

References

References

http://service.mcafee.com/FAQDocument.aspx?&id=TS103114	x-refsource-confirm, broken-link
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-23874	us-government-resource

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.