TI-2026-40507 Aliases CVE-2026-56129 GHSA-62xh-mjg9-8qhv

Generic IO & Memory Access driver for PCs provided by TOSHIBA CORPORATION and Dynabook…

LOW 29CWE-782Published 2026-06-25 · Updated 2026-06-25

Key facts

Attack vector: Local
Privileges required: Low
User interaction: None
Attack complexity: Low
Attack requirements: None
Impact type: —
Confidentiality · integrity · availability: None · High · None
Fix status: No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00165 5th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Dynabook Inc.	Generic IO & Memory Access driver	all versions	—	No fix listed	CNA
Toshiba Lighting & Technology Corporation	Generic IO & Memory Access driver	all versions	—	No fix listed	CNA

Generic IO & Memory Access driver VendorDynabook Inc. Affected all versions Fixed in — No fix listed CNA
Generic IO & Memory Access driver VendorToshiba Lighting & Technology Corporation Affected all versions Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2026-56129
2026-10-03 Alias added: GHSA-62xh-mjg9-8qhv

References

Other 3

TI-2026-27661 Stack-based buffer overflow in Dynabook Inc. TOSRFEC.SYS CVSS 4.0HIGH 8.4

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences