CVE-2019-3588: Using VSE to bypass Windows Credentials on Lock screen

Severity: medium (CVSS 6.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-06-10 · updated 2026-06-17
Weakness: CWE-269

Description

Privilege Escalation vulnerability in Microsoft Windows client (McTray.exe) in McAfee VirusScan Enterprise (VSE) 8.8 prior to Patch 14 may allow unauthorized users to interact with the On-Access Scan Messages - Threat Alert Window when the Windows Login Screen is locked.

Affected products

Intel VirusScan Enterprise Linux (VSEL): 8.8, 8.8-patch1, 8.8-patch10, 8.8-patch11, 8.8-patch12, 8.8-patch13 (+8)

References

https://kc.mcafee.com/corporate/index?page=content&id=SB10302
https://kc.mcafee.com/corporate/index?page=content&id=SB10302

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