Improper Access Control in Gigabyte Control Center by GIGABYTE Technology
CVE-2026-9492

8.5HIGH

Key Information:

Vendor

Gigabyte

Status
Mbstorage
Vendor
CVE Published:
13 July 2026

What is CVE-2026-9492?

The MBStorage DRAM lighting control module within the Gigabyte Control Center has a vulnerability that allows authenticated local attackers to leverage specific IOCTL commands via the MyPortIO_x64.sys driver. This exploitation permits unauthorized read and write access to physical memory, thereby granting potential kernel-level privileges, which could lead to severe system compromise and unauthorized data exposure.

Affected Version(s)

MBStorage 0 <= 26.02.10.01

References

https://www.twcert.org.tw/tw/cp-132-11033-97316-1.html
third-party-advisory
https://www.twcert.org.tw/en/cp-139-11034-f7f2f-2.html
third-party-advisory

CVSS V4

Score:
8.5
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.