What’s Vulnerable › Vulnerabilities

CVE-2021-23876: McAfee Total Protection (MTP) Bypass Remote Procedure call vulnerability

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-02-10 · updated 2026-06-17
• Weakness: CWE-269

Description

Bypass Remote Procedure call in McAfee Total Protection (MTP) prior to 16.0.30 allows a local user to gain elevated privileges and perform arbitrary file modification as the SYSTEM user potentially causing Denial of Service via executing carefully constructed malware.

Affected products

• McAfee,LLC McAfee Total Protection (MTP): before 16.0.30 — fixed in 16.0.30

How to fix

Upgrade to a fixed version: McAfee,LLC McAfee Total Protection (MTP) 16.0.30. Check the vendor advisory for mitigations.

References

• http://service.mcafee.com/FAQDocument.aspx?&id=TS103114
• http://service.mcafee.com/FAQDocument.aspx?&id=TS103114

Get alerted when CVE-2021-23876 or the next vulnerability affects your stack