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TI-2026-08338 Aliases CVE-2026-9492GHSA-7q9h-5cwr-84vv

GIGABYTE｜Gigabyte Control Center - Improper Access Control

Priority LOW 38CWE-782Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00157 4th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
GIGABYTEMBStorageup to 26.02.10.01—No fix listedCNA
  • MBStorage VendorGIGABYTE Affected up to 26.02.10.01 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-9492
  2. 2026-10-03 Alias added: GHSA-7q9h-5cwr-84vv

References

Advisory 2

  • TI-2018-13690 The GDrv low-level driver in GIGABYTE APP Center v1.05.21 and earlier, AORUS GRAPHICS… KEVCVSS 3.1CRITICAL 9.8
  • TI-2018-13689 The GPCIDrv and GDrv low-level drivers in GIGABYTE APP Center v1.05.21 and earlier, AORUS… KEVCVSS 3.1HIGH 7.8
  • TI-2018-13688 The GPCIDrv and GDrv low-level drivers in GIGABYTE APP Center v1.05.21 and earlier, AORUS… KEVCVSS 3.1HIGH 7.8
  • TI-2018-13687 The GDrv low-level driver in GIGABYTE APP Center v1.05.21 and earlier, AORUS GRAPHICS… KEVCVSS 3.1HIGH 7.8
  • TI-2024-07516 Insecure Platform Key (PK) used in UEFI system firmware signature CVSS 3.1MEDIUM 6.4
  • TI-2017-02402 GIGABYTE BRIX UEFI firmware fails to securely implement BIOS write protection CVSS 3.0CRITICAL 9.8
See all 19 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences