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CVE-2026-56129

CVE-2026-56129

CVSS 6.8 MEDIUMEPSS 0.1%CWE-782
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.
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
Affected products
Dynabook Inc. · Generic IO & Memory Access driverTOSHIBA CORPORATION · Generic IO & Memory Access driver

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References
https://corporate.jp.sharp/info/product-security/advisory-list/2026-003/https://global.sharp/corporate/info/product-security/advisory-list/2026-003/https://jvn.jp/en/vu/JVNVU91051826/