McAfee Total Protection - Free Antivirus Trial: DLL Search Order Hijacking vulnerability

published 2019-09-13 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-13281

cvss: 6.9; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.5%; EPSS 1.5% chance of exploitation in 30 days, percentile 74%
public exploits: 0; none known

DLL Search Order Hijacking vulnerability in Microsoft Windows client in McAfee Total Protection (MTP) Free Antivirus Trial 16.0.R18 and earlier allows local users to execute arbitrary code via execution from a compromised folder placed by an attacker with administrator rights.

Exploit prediction

1.48% chance of exploitation in the next 30 days, higher than 74% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	6.9	CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:C/C:L/I:H/A:L
NVD	3.1	6.5	CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
NVD	2.0	6.0	AV:N/AC:M/Au:S/C:P/I:P/A:P

Affected products

McAfee, LLC McAfee Total Protection - Free Antivirus Trial

Classification

Weakness

CWE-714 OWASP Top Ten 2007 Category A3 - Malicious File Execution
CWE-426 Untrusted Search Path

References

service.mcafee.com /FAQDocument.aspx?&id=TS102968

Sources

CVE List CVE-2019-3646
NVD CVE-2019-3646

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary