CVE-2020-7326: McAfee MAR - Improperly implemented security check

Severity: medium (CVSS 6.7 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: 2020-10-15 · updated 2026-06-17
Weakness: CWE-290

Description

Improperly implemented security check in McAfee Active Response (MAR) prior to 2.4.4 may allow local administrators to execute malicious code via stopping a core Windows service leaving McAfee core trust component in an inconsistent state resulting in MAR failing open rather than closed

Affected products

McAfee,LLC McAfee Active Response: before 2.4.4 — fixed in 2.4.4

How to fix

Upgrade to a fixed version: McAfee,LLC McAfee Active Response 2.4.4. Check the vendor advisory for mitigations.

References

https://kc.mcafee.com/corporate/index?page=content&id=SB10331
https://kc.mcafee.com/corporate/index?page=content&id=SB10331

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