jvndb-2026-020742
Vulnerability from jvndb
Published
2026-06-26 09:52
Modified
2026-06-26 09:52
Severity ?
5.5 (Medium) - cvssV3_0 - CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Summary
Generic IO & Memory Access driver for TOSHIBA and Dynabook PCs exposes its IOCTL with insufficient access control
Details
Generic IO & Memory Access driver is part of a utility to configure BIOS/Supervisor passwords from within Windows. This driver is installed on PCs provided by TOSHIBA CORPORATION and Dynabook Inc. between 2009 and 2016. The driver contains the following vulnerability.<a href='https://cwe.mitre.org/data/definitions/782.html' target='_blank'></a><ul><li>Exposed IOCTL with Insufficient Access Control (CWE-782) - CVE-2026-56129</li><ul><li>The CVSS assessment above assumes that a user with no administrative privilege accesses physical memory.</li></ul></ul>Akshit Yadav (valium) reported this vulnerability to the developer. The developer reported the case to JPCERT/CC to notify users of the solution through JVN.
References
Impacted products
Show details on JVN DB website

To clipboard 

{
  "@rdf:about": "https://jvndb.jvn.jp/en/contents/2026/JVNDB-2026-020742.html",
  "dc:date": "2026-06-26T09:52+09:00",
  "dcterms:issued": "2026-06-26T09:52+09:00",
  "dcterms:modified": "2026-06-26T09:52+09:00",
  "description": "Generic IO \u0026 Memory Access driver is part of a utility to configure BIOS/Supervisor passwords from within Windows. This driver is installed on PCs provided by TOSHIBA CORPORATION and Dynabook Inc. between 2009 and 2016.\r\nThe driver contains the following vulnerability.\u003ca href=\u0027https://cwe.mitre.org/data/definitions/782.html\u0027 target=\u0027_blank\u0027\u003e\u003c/a\u003e\u003cul\u003e\u003cli\u003eExposed IOCTL with Insufficient Access Control (CWE-782) - CVE-2026-56129\u003c/li\u003e\u003cul\u003e\u003cli\u003eThe CVSS assessment above assumes that a user with no administrative privilege accesses physical memory.\u003c/li\u003e\u003c/ul\u003e\u003c/ul\u003eAkshit Yadav (valium) reported this vulnerability to the developer. The developer reported the case to JPCERT/CC to notify users of the solution through JVN.",
  "link": "https://jvndb.jvn.jp/en/contents/2026/JVNDB-2026-020742.html",
  "sec:cpe": {
    "#text": "cpe:/a:toshiba:generic_io_and_memory_access_driver",
    "@product": "Generic IO \u0026 Memory Access driver",
    "@vendor": "TOSHIBA",
    "@version": "2.2"
  },
  "sec:cvss": {
    "@score": "5.5",
    "@severity": "Medium",
    "@type": "Base",
    "@vector": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N",
    "@version": "3.0"
  },
  "sec:identifier": "JVNDB-2026-020742",
  "sec:references": [
    {
      "#text": "https://jvn.jp/en/vu/JVNVU91051826/index.html",
      "@id": "JVNVU#91051826",
      "@source": "JVN"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-56129",
      "@id": "CVE-2026-56129",
      "@source": "CVE"
    },
    {
      "#text": "https://cwe.mitre.org/data/definitions/782.html",
      "@id": "CWE-782",
      "@title": "Exposed IOCTL with Insufficient Access Control(CWE-782)"
    }
  ],
  "title": "Generic IO \u0026 Memory Access driver for TOSHIBA and Dynabook PCs exposes its IOCTL with insufficient access control"
}


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