What is CVE-2023-4936?

CVE-2023-4936 is a medium-severity vulnerability in Synaptics Displaylink, classified under Improper Privilege Management. CVSS score: 5.5/10. Published 2023-10-11.

How severe is CVE-2023-4936?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Privilege escalation in Synaptics Displaylink

CVE-2023-4936

It is possible to sideload a compromised DLL during the installation at elevated privilege.

Vulnerability class: Privilege Escalation

Published 2023-10-11 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:L/I:H/A:L.

EPSS exploit prediction

EPSS: 0.002 (10.5th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 10th percentile — 10.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Synaptics Displaylink
Synaptics Displaylink Usb Graphics Software For Windows — versions 0, 11.2M0

Weakness classification (CWE)

References

www.synaptics.com/ (Product)
www.synaptics.com/products/displaylink-graphics/downloads/windows (Product)
www.synaptics.com/sites/default/files/nr-154525-tc-synaptics_displaylink_window… (Vendor Advisory)

Frequently asked questions

What is CVE-2023-4936?: CVE-2023-4936 is a medium-severity vulnerability in Synaptics Displaylink, classified under Improper Privilege Management. CVSS score: 5.5/10. Published 2023-10-11.
How severe is CVE-2023-4936?: Medium severity. CVSS v3 base score is 5.5 out of 10.