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CISA advisoryVulnerabilitiesPublished Oct 20, 2026

HMS Networks PEAK-System PCAN Windows drivers

Updated 6 hours ago ()

View CSAF Summary Successful exploitation of these vulnerabilities could crash the Windows kernel. The following versions of HMS Networks PEAK-System PCAN Windows drivers are affected: PEAK-System Device Driver Setup <=5.1.2.1151 (CVE-2026-109576, CVE-2026-101103, CVE-2026-94188, CVE-2026-103672, CVE-2026-110322, CVE-2026-105960) PCAN Windows CAN device drivers <=5.1.2 (CVE-2026-109576, CVE-2026-101103, CVE-2026-94188, CVE-2026-103672, CVE-2026-110322, CVE-2026-105960) CVSS Vendor Equipment v3 7.1 HMS Networks PEAK-System Device Driver Setup 5 Vulnerabilities Out-of-bounds Write, Buffer Copy without Checking Size of Input (&#039;Classic Buffer Overflow&#039;), Improper Validation of Array Index, Untrusted Pointer Dereference, Improper Handling of Length Parameter Inconsistency Background Critical Infrastructure Sectors: Transportation Systems, Healthcare and Public Health, Energy, Critical Manufacturing Countries/Areas Deployed: Worldwide Company Headquarters Location: Sweden Vulnerabilities Expand All + CVE-2026-109576 The parser in PEAK-System PCAN driver correctly detected the malformed record, but the loop iterating the record list advanced its processed-bytes counter even whe…

Tags
CISA, ICS, healthcare
Related exam domains
CISSP 4: Communication and Network Security; CISM 2: Information Security Risk Management
Source record id
/node/25650
First seen by InfoSec Signals
Oct 20, 2026

Source: CISA cybersecurity advisories, Cybersecurity and Infrastructure Security Agency about this source more from it

Exam domain labels come from a keyword heuristic and are study hints, not an official mapping. The summary is the publisher's own text, shortened; the linked record is authoritative.

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