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.
Published: 2026-06-25
Score: 6.8 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Fri, 26 Jun 2026 10:45:00 +0000

Type Values Removed Values Added
First Time appeared Dynabook
Dynabook generic Io & Memory Access Driver
Toshiba Corporation
Toshiba Corporation generic Io & Memory Access Driver
Vendors & Products Dynabook
Dynabook generic Io & Memory Access Driver
Toshiba Corporation
Toshiba Corporation generic Io & Memory Access Driver

Thu, 25 Jun 2026 13:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 25 Jun 2026 09:30:00 +0000

Type Values Removed Values Added
Title Insufficient IOCTL Access Control Exposes Physical Memory to Non-Admin Users

Thu, 25 Jun 2026 08:00:00 +0000

Type Values Removed Values Added
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.
Weaknesses CWE-782
References
Metrics cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N'}

cvssV4_0

{'score': 6.8, 'vector': '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'}


Subscriptions

Dynabook Generic Io & Memory Access Driver
Toshiba Corporation Generic Io & Memory Access Driver
cve-icon MITRE

Status: PUBLISHED

Assigner: jpcert

Published:

Updated: 2026-06-25T12:32:05.914Z

Reserved: 2026-06-19T02:06:36.536Z

Link: CVE-2026-56129

cve-icon Vulnrichment

Updated: 2026-06-25T12:31:26.096Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-26T09:38:24Z

Weaknesses