CVE-2026-105960: PEAK-System PCAN contains a vulnerable operation involving a variable-length receive-record copy

Routine

MEDIUM 5.5

CVE-2026-105960 is a medium-severity flaw (CVSS 5.5) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

PEAK-System PCAN contains a vulnerable operation involving a variable-length receive-record copy. The driver uses a requested or queued record count without sufficiently capping the copy to the actual caller-supplied output length.

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.5 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.1% (top 99%)
CISA exploited list	No
Weakness	CWE-130
Published	2026-10-20
Last modified	2026-10-22

Publisher (CNA): ICS-CERT

Timeline

2026-10-20Published CVE record published
2026-10-22 17:36 UTCUpdated Record last modified

Advisories and coverage

Official advisories

CISA Alerts and Advisories: HMS Networks PEAK-System PCAN Windows drivers 2026-10-20

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-105960?

No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.

Is CVE-2026-105960 being exploited?

CVE-2026-105960 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-105960 affect?

CVE-2026-105960 affects affected software. Severity is medium (CVSS 5.5). PEAK-System PCAN contains a vulnerable operation involving a variable-length receive-record copy. The driver uses a requested or queued record count without sufficiently capping the copy to the actual caller-supplied output length.

How urgent is CVE-2026-105960?

Priority 20/100. No elevated risk signals yet.

References

← Back to latest CVEs