CVE-2026-56129
Quick assessment
Affected
Dynabook Inc. Generic IO & Memory Access driver
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Dynabook Generic IO & Memory Access driver是日本Dynabook公司的一款底层驱动程序，主要用于在 Windows 系统环境中配置和管理 BIOS/Supervisor 密码。 Dynabook Generic IO & Memory Access driver存在权限许可和访问控制问题漏洞，该漏洞源于IOCTL接口访问控制不足，可能导致已登录但无管理员权限的用户访问物理内存。
Possible ATT&CK Techniques 1 AI
T1055 · Process InjectionAffected Version Matrix 2
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Dynabook Inc. | Generic IO & Memory Access driver | all versions |
affected |
| TOSHIBA CORPORATION | Generic IO & Memory Access driver | all versions |
affected |
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I. Basic Information for CVE-2026-56129
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
无充分访问控制条件下暴露IOCTL
Source: CVE Program / CVE List V5
Vulnerability Title
Dynabook Generic IO & Memory Access driver 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Dynabook Generic IO & Memory Access driver是日本Dynabook公司的一款底层驱动程序，主要用于在 Windows 系统环境中配置和管理 BIOS/Supervisor 密码。 Dynabook Generic IO & Memory Access driver存在权限许可和访问控制问题漏洞，该漏洞源于IOCTL接口访问控制不足，可能导致已登录但无管理员权限的用户访问物理内存。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Dynabook Inc. | Generic IO & Memory Access driver | all versions | - |
|
| TOSHIBA CORPORATION | Generic IO & Memory Access driver | all versions | - |
|
II. Public POCs for CVE-2026-56129
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2026-56129 (3)
IV. Related Vulnerabilities
Same vendor: Dynabook Inc.