Protection Mechanism Failure in ENS for Windows

published 2020-09-09 6y ago modified 2026-06-17 4mo ago also EUVD-2020-28447

cvss: 6.7; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 17%
public exploits: 0; none known

Protection Mechanism Failure vulnerability in McAfee Endpoint Security (ENS) for Windows prior to 10.7.0 September 2020 Update allows local administrator to temporarily reduce the detection capability allowing otherwise detected malware to run via stopping certain Microsoft services.

Patch / fix

fixed in 1

McAfee LLC Endpoint Security for Windows 10.7.0 September 2020 Update

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Exploit prediction

0.26% chance of exploitation in the next 30 days, higher than 17% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.1	6.7	CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:H/A:L
NVD	3.1	7.3	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:H/A:L
NVD	2.0	2.1	AV:L/AC:L/Au:N/C:N/I:P/A:N

Affected products

McAfee LLC Endpoint Security for Windows

Classification

Weakness

CWE-693 Protection Mechanism Failure

References

kc.mcafee.com /corporate/index?page=content&id=SB10327

Sources

CVE List CVE-2020-7320
NVD CVE-2020-7320

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