The MBStorage DRAM lighting control module within Gigabyte Control Center (GCC) developed by GIGABYTE Technology has an Improper Access Control vulnerability. Authenticated local attackers can send specific IOCTL commands through the driver MyPortIO_x64.sys bundled with the module, thereby arbitrarily reading and writing physical memory and obtaining kernel-level privileges.
History

Tue, 14 Jul 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Mon, 13 Jul 2026 15:00:00 +0000

Type Values Removed Values Added
First Time appeared Gigabyte
Gigabyte mbstorage
Vendors & Products Gigabyte
Gigabyte mbstorage

Mon, 13 Jul 2026 04:00:00 +0000

Type Values Removed Values Added
Description The MBStorage DRAM lighting control module within Gigabyte Control Center (GCC) developed by GIGABYTE Technology has an Improper Access Control vulnerability. Authenticated local attackers can send specific IOCTL commands through the driver MyPortIO_x64.sys bundled with the module, thereby arbitrarily reading and writing physical memory and obtaining kernel-level privileges.
Title GIGABYTE|Gigabyte Control Center - Improper Access Control
Weaknesses CWE-782
References
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.5, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: twcert

Published: 2026-07-13T03:41:32.750Z

Updated: 2026-07-14T14:33:18.053Z

Reserved: 2026-05-25T02:48:23.519Z

Link: CVE-2026-9492

cve-icon Vulnrichment

Updated: 2026-07-14T14:16:18.461Z

cve-icon NVD

Status : Deferred

Published: 2026-07-13T04:16:29.283

Modified: 2026-07-14T15:17:11.123

Link: CVE-2026-9492

cve-icon Redhat

No data.