Authentication Protection Bypass vulnerability in ENS for Windows

published 2020-09-09 6y ago modified 2026-06-17 4mo ago also EUVD-2020-28450

cvss: 6.9; 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 26%
public exploits: 0; none known

Authentication Protection Bypass vulnerability in McAfee Endpoint Security (ENS) for Windows prior to 10.7.0 September 2020 Update allows physical local users to bypass the Windows lock screen via triggering certain detection events while the computer screen is locked and the McTray.exe is running with elevated privileges. This issue is timing dependent and requires physical access to the machine.

Patch / fix

fixed in 1

McAfee LLC Endpoint Security for Windows 10.7.0 September 2020 Update

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Exploit prediction

0.33% chance of exploitation in the next 30 days, higher than 26% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.1	6.9	CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:L
NVD	3.1	6.9	CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:L
NVD	2.0	5.9	AV:L/AC:H/Au:N/C:C/I:C/A:P

Affected products

McAfee LLC Endpoint Security for Windows

Classification

Weakness

CWE-287 Improper Authentication

References

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

Sources

CVE List CVE-2020-7323
NVD CVE-2020-7323

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