CVE-2026-3437: Portwell Engineering Toolkits

High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days.

An improper restriction of operations within the bounds of a memory buffer vulnerability in Portwell Engineering Toolkits version 4.8.2 could allow a local authenticated attacker to read and write to arbitrary memory via the Portwell Engineering Toolkits driver. Successful exploitation of this vulnerability could result in escalation of privileges or cause a denial-of-service condition.

Affected products

• Portwell Engineering Toolkits: version 4.8.2 only

Published 2026-03-03. Last modified 2026-06-25.