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Fencer Vulns
medium 6.6

CVE-2019-3667 json

DLL Search Order Hijacking

published 2019-12-11 6 y ago modified 2026-06-17 4 mo ago also EUVD-2019-13302

cvss
6.6
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 27%
public exploits
0
none known

Summary

DLL Search Order Hijacking vulnerability in the Microsoft Windows client in McAfee Tech Check 3.0.0.17 and earlier allows local users to execute arbitrary code via the local folder placed there by an attacker.

Patch / fix

  • McAfee, LLC McAfee TechCheck prior to 3.0.0.17

Exploit prediction

0.34% chance of exploitation in the next 30 days, higher than 27% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 6.6 CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:L/I:H/A:L
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 4.4 AV:L/AC:M/Au:N/C:P/I:P/A:P

Affected products

  • McAfee, LLC McAfee TechCheck

Classification

Weakness
  • CWE-427 Uncontrolled Search Path Element

References

Sources

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.