CVE & CISA-KEV Catalog

CVE-2026-56129

MEDIUM
5.5
CVSS v3
NVD

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.

CWE-782

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

CVSS v3 Vector

Exploitability

Attack VectorLocal
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityNone
IntegrityHigh
AvailabilityNone

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

Exploit Intelligence

0.12%probability of exploitation in 30 days
2ndpercentile

Low risk: more likely to be exploited than 2% of all known CVEs.

References

Embed a live status badge for CVE-2026-56129
CVE-2026-56129 severity badge

Markdown

[![CVE-2026-56129](https://tridentstack.com/cve/badge/CVE-2026-56129.svg)](https://tridentstack.com/cve/CVE-2026-56129)

HTML

<a href="https://tridentstack.com/cve/CVE-2026-56129"><img src="https://tridentstack.com/cve/badge/CVE-2026-56129.svg" alt="CVE-2026-56129"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-06-25.