Vulnerability · Published Jul 13, 2026 · Assigned by twcert

CVE-2026-9492GIGABYTE｜Gigabyte Control Center - Improper Access Control

High 7.8

In plain English

A high-severity security flaw in MBStorage from GIGABYTE. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 5% of all known vulnerabilities).

Severity (CVSS 3.1)7.8High

Exploit odds (30 days)0.2%top 95.1% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
GIGABYTE	MBStorage	0 – through 26.02.10.01

Weakness: CWE-782 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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