What is CVE-2026-110322?

CVE-2026-110322 is a medium-severity vulnerability in Hms Networks Pcan Windows Can Device Drivers, classified under Untrusted Pointer Dereference. CVSS score: 5.5/10. Published 2026-10-20.

How severe is CVE-2026-110322?

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

Vulnerability in Hms Networks Pcan Windows Can Device Drivers

CVE-2026-110322

The PEAK-System PCAN type 0x4030 processing path fails to validate a selected/returned object pointer before dereferencing fixed fields during post-processing.

Published 2026-10-20 · last modified 2026-10-22.

CVSS v3 metric

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

EPSS exploit prediction

EPSS: 0.001 (1.4th percentile), scored 2026-10-22.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 1st percentile — 1.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

The 30-day trend appears once there are two daily scores.

Affected products

Weakness classification (CWE)

CWE-822 — Untrusted Pointer Dereference

References

Frequently asked questions

What is CVE-2026-110322?: CVE-2026-110322 is a medium-severity vulnerability in Hms Networks Pcan Windows Can Device Drivers, classified under Untrusted Pointer Dereference. CVSS score: 5.5/10. Published 2026-10-20.
How severe is CVE-2026-110322?: Medium severity. CVSS v3 base score is 5.5 out of 10.