CVE-2026-56129 | Generic IO & Memory Access driver for PCs provided by TOSHIB… | CVSS 5.5 MEDIUM

Description

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.

Metadata

CVE ID: CVE-2026-56129
State: PUBLISHED
Assigner: jpcert
Reserved: 2026-06-19 02:06 UTC
Published: 2026-06-25 07:03 UTC
Last updated: 2026-06-25 07:03 UTC
Primary CWE: CWE-782
Exposed IOCTL with insufficient access control
Vendor / Product: Dynabook Inc. / Generic IO & Memory Access driver
Sources: cve.org · NVD

Severity & Metrics

5.5 MEDIUM CVSS 3.1

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Affected products (2)

Vendor	Product	Platform	Versions
Dynabook Inc.	Generic IO & Memory Access driver	—	all versions
TOSHIBA CORPORATION	Generic IO & Memory Access driver	—	all versions

Weakness (CWE)

CWE	Source	Description
CWE-782	cna	Exposed IOCTL with insufficient access control

CVSS scores (2)

Score	Severity	Version	Source	Vector
6.8	MEDIUM	4.0	cna	CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
5.5	MEDIUM	3.1	cna	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

References (3)