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.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://www.twcert.org.tw/en/cp-139-11034-f7f2f-2.html
- https://www.twcert.org.tw/tw/cp-132-11033-97316-1.html
FAQ
What is CVE-2026-9492?
CVE-2026-9492 is a vulnerability with a CVSS score of 7.8 (HIGH). 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 sp...
How severe is CVE-2026-9492?
CVE-2026-9492 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-9492?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.