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

Quick assessment

Affected
GIGABYTE MBStorage
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

GIGABYTE MBStorage是GIGABYTE公司的一款网络存储产品。 GIGABYTE MBStorage 26.02.10.01及之前版本存在权限许可和访问控制问题漏洞，该漏洞源于访问控制不当，可能导致经过身份验证的本地攻击者通过模块附带的MyPortIO_x64.sys驱动发送特定IOCTL命令，任意读写物理内存并获取内核级权限。

CVSS 7.8 · High EPSS 0.16% · P4

Affected Version Matrix 1

VendorProduct Version RangeStatus
GIGABYTE MBStorage ≤ 26.02.10.01 affected
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I. Basic Information for CVE-2026-9492

Vulnerability Information
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Vulnerability Title
GIGABYTE｜Gigabyte Control Center - Improper Access Control
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
无充分访问控制条件下暴露IOCTL
Source: CVE Program / CVE List V5
Vulnerability Title
GIGABYTE MBStorage 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GIGABYTE MBStorage是GIGABYTE公司的一款网络存储产品。 GIGABYTE MBStorage 26.02.10.01及之前版本存在权限许可和访问控制问题漏洞，该漏洞源于访问控制不当，可能导致经过身份验证的本地攻击者通过模块附带的MyPortIO_x64.sys驱动发送特定IOCTL命令，任意读写物理内存并获取内核级权限。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
GIGABYTE MBStorage 0 ~ 26.02.10.01 -

II. Public POCs for CVE-2026-9492

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III. Intelligence Information for CVE-2026-9492

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Vendor Advisories for CVE-2026-9492 (2)

IV. Related Vulnerabilities

Same vendor: GIGABYTE
Same weakness: CWE-782

V. Comments for CVE-2026-9492

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