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

> CVE-2021-23874: McAfee Total Protection (MTP) privilege escalation vulnerability. CVSS 8.2 (CVSS 3.1), in CISA KEV.

Canonical: https://rewindex.com/cve/CVE-2021-23874
Last updated: 2025-10-21T23:35:28Z

- Published: 2021-02-10 10:25 UTC · Updated: 2025-10-21 23:35 UTC · Assigner: trellix
- CVSS: 8.2 (CVSS 3.1) · Severity: High · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
- EPSS: 1.0%, 63th percentile (scored 2026-10-25)
- CISA KEV: yes, added 2021-11-03, federal due date 2021-11-17, ransomware use: Unknown
- CWE: CWE-269

## 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.

## CISA required action

Apply updates per vendor instructions.

## Affected vendors and products

- McAfee,LLC: McAfee Total Protection (MTP)

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2021-23874)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2021-23874)
- [http://service.mcafee.com/FAQDocument.aspx?&id=TS103114](http://service.mcafee.com/FAQDocument.aspx?&id=TS103114)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2021-23874 · Markdown: https://rewindex.com/cve/CVE-2021-23874.md · JSON: https://rewindex.com/api/v1/cves/CVE-2021-23874 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T02:15:45.987Z