What is CVE-2018-7884?

CVE-2018-7884 is a high-severity vulnerability in Displaylink Core Software Cleaner, classified under Untrusted Search Path. CVSS score: 7.8/10. Published 2018-06-05.

How severe is CVE-2018-7884?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Displaylink Core Software Cleaner

CVE-2018-7884

An issue was discovered in DisplayLink Core Software Cleaner Application 8.2.1956. When the drivers are updated to a newer version, the product launches a process as SYSTEM to uninstall the old version: cl_1956.exe is run as SYSTEM on the %systemroot%\Temp folder, where any user can write a DLL (e.g., version.dll) to perform DLL Hijacking and elevate privileges to SYSTEM.

Published 2018-06-05 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.009 (59.6th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 59.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Displaylink Core Software Cleaner — versions 8.2.1956

Weakness classification (CWE)

CWE-426 — Untrusted Search Path

References

seclists.org/fulldisclosure/2018/Jun/1 (mailing-list, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2018-7884?: CVE-2018-7884 is a high-severity vulnerability in Displaylink Core Software Cleaner, classified under Untrusted Search Path. CVSS score: 7.8/10. Published 2018-06-05.
How severe is CVE-2018-7884?: High severity. CVSS v3 base score is 7.8 out of 10.