CVE-2026-110322

HMS Networks PEAK-System PCAN Windows drivers Untrusted Pointer Dereference

Published Oct 20, 2026 CVSS 4.0 · 6.8 Medium EPSS < 1% KEV · Not listed
Description
The PEAK-System PCAN type 0x4030 processing path fails to validate a selected/returned object pointer before dereferencing fixed fields during post-processing.

Remediation

Vendor Solution

HMS Networks AB has addressed the issue in version 5.1.4 and recommends that users upgrade to the newest available version. Users can find software updates for PEAK-System PCAN on the software download page https://www.peak-system.com/support/downloads/software/ . For more information see the associated HMS security advisory https://www.hms-networks.com/cybersecurity .

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Hms Networks
Hms Networks pcan Windows Can Device Drivers
Hms Networks peak-system Device Driver Setup
Vendors & Products Hms Networks
Hms Networks pcan Windows Can Device Drivers
Hms Networks peak-system Device Driver Setup
Type Values Removed Values Added
Description The PEAK-System PCAN type 0x4030 processing path fails to validate a selected/returned object pointer before dereferencing fixed fields during post-processing.
Title HMS Networks PEAK-System PCAN Windows drivers Untrusted Pointer Dereference
Weaknesses CWE-822
References
Metrics cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 6.8, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
icscert
Published
Updated
Oct 30, 2026, 5:18 PM
Reserved
Oct 15, 2026, 3:32 PM
Status
Awaiting Analysis
Published
Oct 20, 2026, 9:17 PM
Modified
Oct 30, 2026, 6:17 PM