CVE-2026-9492

GIGABYTE|Gigabyte Control Center - Improper Access Control

Published Jul 13, 2026 CVSS 4.0 · 8.5 High EPSS < 1% KEV · Not listed
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.

Remediation

Vendor Solution

Update MBStorage to version 26.06.03.01 or later.

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

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

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

Weaknesses

Sources

Status
PUBLISHED
Assigner
twcert
Published
Updated
Jul 14, 2026, 2:33 PM
Reserved
May 25, 2026, 2:48 AM
Status
Deferred
Published
Jul 13, 2026, 4:16 AM
Modified
Oct 24, 2026, 10:10 PM