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

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MEDIUM

Using VSE to bypass Windows Credentials on Lock screen

Published Jun 10, 2020

6.8

MEDIUM

CVSS 3.1

EPSS 0.29%

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

Vendor McAfee, LLC Product McAfee VirusScan Enterprise (VSE) Default
n/a
- Version
  8.8.x
  Status
  affected
  Constraints
  <8.8 Patch 14

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

McAfee, LLC

McAfee VirusScan Enterprise (VSE)

n/a

Version	Status	Constraints
8.8.x	affected	<8.8 Patch 14

Remediation

No remediation recorded yet.

Metrics

0.29% 0.00290

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.

EPSS probability 0.00290

Score over time

2021–2026

EPSS v1
EPSS v5
EPSS v2
EPSS v3

Percentile over time

EPSS v1
EPSS v5
EPSS v2
EPSS v3

Table of values (9 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 3, 2026	0.29% (0.00290)	19.57th	v5 (v2026.06.15)
Sep 20, 2026	0.29% (0.00290)	21.79th	v5 (v2026.06.15)
Jul 20, 2024	0.07% (0.00070)	31.04th	v3 (v2023.03.01)
Jun 13, 2024	0.07% (0.00070)	30.57th	v3 (v2023.03.01)
Mar 7, 2023	0.07% (0.00070)	28.53th	v3 (v2023.03.01)
Mar 6, 2023	0.89% (0.00885)	27.89th	v2 (v2022.01.01)
Jan 6, 2022	1.84% (0.01840)	47.32th	v1
Jan 5, 2022	0.42% (0.00416)	26.65th	v5 (v2026.06.15)
Apr 14, 2021	0.42% (0.00416)	0.00th	v1