CVE-2026-56129: Dynabook Inc Generic Io & Memory Access Driver

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

Generic IO & Memory Access driver for PCs provided by TOSHIBA CORPORATION and Dynabook Inc. exposes its IOCTL with insufficient access control. A logged-in user with no administrative privilege may access physical memory.

Affected products

• Dynabook Inc Generic Io & Memory Access Driver: any version
• Toshiba Corporation Generic Io & Memory Access Driver: any version

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