Published: 2026/06/25 Last Updated: 2026/06/25

Information from Dynabook Inc.

Vulnerability ID:JVNVU#91051826
Title:Generic IO & Memory Access driver for TOSHIBA and Dynabook PCs exposes its IOCTL with insufficient access control
Status:Vulnerable

This is a statement from the vendor itself with no modification by JPCERT/CC.

Dynabook has identified security vulnerability in the Generic IO & Memory Access driver installed on certain TOSHIBA / Dynabook PCs provided from 2009 until around 2016.
For the details of the vulnerability, affected models and countermeasures, please see the web pages written as below.
https://global.sharp/corporate/info/product-security/advisory-list/2026-003/