CVE-2021-23874
KEVMcAfee Total Protection (MTP) Improper Privilege Management Vulnerability
Description
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.
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 3.1 vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:HPublishedFeb 10, 2021
Last modifiedJun 17, 2026
Added to KEVNov 3, 2021
Remediation dueNov 17, 2021
References
- service.mcafee.com/FAQDocument.aspx?&id=TS103114Broken Link
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-23874US Government Resource
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Risk assessment · High
Actively exploited. Patch immediately.
- Exploitation
- Confirmed in the wild (CISA KEV)
- Federal remediation deadline
- Overdue by 1804 days
- CVSS
- 8.2 HIGH
- EPSS (30-day exploit probability)
- 1.0% · top 37% of all CVEs
- Weakness
- CWE-269
Recommended actions
- 1.Apply updates per vendor instructions.
- 2.Treat as emergency change: patch or isolate internet-facing instances first.
- 3.Hunt for compromise: review logs for the disclosure window, not just from the patch date.
Assessment is derived automatically from the live signals above; verify against your own asset inventory.