What is CVE-2026-56129?

CVE-2026-56129 is a medium-severity vulnerability in Dynabook Inc. Generic Io & Memory Access Driver, classified under CWE-782. CVSS score: 5.5/10. Published 2026-06-25.

How severe is CVE-2026-56129?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Dynabook Inc. Generic Io & Memory Access Driver

CVE-2026-56129

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.

EPSS: 0.001 (2.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.

Affected products

Dynabook Inc. Generic Io & Memory Access Driver — versions all versions
Toshiba Corporation Generic Io & Memory Access Driver — versions all versions

Weakness classification (CWE)

CWE-782

References

Frequently asked questions

What is CVE-2026-56129?: CVE-2026-56129 is a medium-severity vulnerability in Dynabook Inc. Generic Io & Memory Access Driver, classified under CWE-782. CVSS score: 5.5/10. Published 2026-06-25.
How severe is CVE-2026-56129?: Medium severity. CVSS v3 base score is 5.5 out of 10.