Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2021-23874

CVE-2021-23874HIGH

McAfee,LLC McAfee Total Protection (MTP) — McAfee Total Protection (MTP) privilege escalation vulnerability

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   L   L   L   R  C  H  H  H    8.2   .0103   62.4   YES

AFFECTED
  Product                        Versions       Fixed
  McAfee Total Protection (MTP)  unspecified –  —

TIMELINE
  Jan 12  Reserved by trellix
  Feb 10  Published (CNA: trellix)
  Nov 3   Added to CISA KEV, remediation due 2021-11-17

CWE-269 · CNA: trellix · CVSS v3.1 · 2 references · KEV due November 17, 2021

Description

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.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
January 12, 2021	Reserved	Reserved by trellix
February 10, 2021	Published	Published (CNA: trellix)
November 3, 2021	KEV ADDED	Added to CISA KEV, remediation due 2021-11-17

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
McAfee,LLC	McAfee Total Protection (MTP)	—	unspecified	—

Weaknesses

CWE-269

References (2)

http://service.mcafee.com/FAQDocument.aspx?&id=TS103114 [x_refsource_CONFIRM]
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-23874 [government-resource]

Authoritative record: CVE-2021-23874 at cve.org

Vendors: mcafee,llc

Weaknesses: CWE-269

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2021-23874 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.