HOMEVULNERABILITIESCVE-2019-3588
MEDIUM

CVE-2019-3588

CWE-269Published: June 10, 2020· Updated: Jun 17, 2026

6.8
CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2019-3588 requires local access, meaning attackers must already have a foothold on the target system.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 6.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorPhysical
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

mcafee1 product(s)
virusscan enterprise
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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All References (2)

Quick Facts

CVE IDCVE-2019-3588
CVSS Score6.8 / 10
SeverityMEDIUM
WeaknessCWE-269
CISA KEVNo
Affected1 vendor(s)
PublishedJun 10, 2020

Related CVEs (CWE-269)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2019-3588 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.