# CVE-2026-56129

## Summary

- **CVE ID:** CVE-2026-56129
- **Severity:** MEDIUM
- **CVSS Score:** 6.8 (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)
- **CWE:** CWE-782
- **Published:** Jun 25, 2026
- **Last Modified:** Jun 25, 2026

## 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.

## Affected Products

- Dynabook Inc. — Generic IO & Memory Access driver (all versions)
- TOSHIBA CORPORATION — Generic IO & Memory Access driver (all versions)

## References

- [CNA](https://global.sharp/corporate/info/product-security/advisory-list/2026-003/)
- [CNA](https://corporate.jp.sharp/info/product-security/advisory-list/2026-003/)
- [CNA](https://jvn.jp/en/vu/JVNVU91051826/)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.17%
- **EPSS Percentile:** 6.1

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._