CVE-2026-9492

HIGHPre-NVD 7.87.8—
EchelonGraph scoreHIGH confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2026-07-13. a secondary CVSS source baseline 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this week
7.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.8Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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 v3
7.8
EG Score
7.8(high)
EPSS
1.5%
KEV
Not listed

Published

July 13, 2026

Last Modified

July 14, 2026

Advisory Details (2)

Auto-updated Jul 13, 2026
No patch confirmed yet. Sources: cert.
cert

GIGABYTE｜Gigabyte Control Center - Improper Access Control-TWCERT/CC Taiwan Computer Emergency Response Team/Coordination Center

https://www.twcert.org.tw/en/cp-139-11034-f7f2f-2.html
cert

技嘉科技｜Gigabyte Control Center - Improper Access Control-TWCERT/CC台灣電腦網路危機處理暨協調中心|企業資安通報協處|資安情資分享|漏洞通報|資安聯盟|資安電子報

https://www.twcert.org.tw/tw/cp-132-11033-97316-1.html

Vendor Advisories for CVE-2026-9492(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 16× in last 7d / 16× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-16 00:20 UTCEG score recompute
  2. 2026-07-16 00:20 UTCGHSA enrichment
  3. 2026-07-15 16:57 UTCEPSS rescore
  4. 2026-07-15 12:58 UTCEG score recompute
  5. 2026-07-15 12:58 UTCGHSA enrichment
  6. 2026-07-15 01:34 UTCEG score recompute
  7. 2026-07-15 01:33 UTCGHSA enrichment
  8. 2026-07-14 14:10 UTCEG score recompute
  9. 2026-07-14 14:10 UTCGHSA enrichment
  10. 2026-07-14 02:48 UTCEG score recompute
  11. 2026-07-14 02:48 UTCGHSA enrichment
  12. 2026-07-13 22:31 UTCEPSS rescore
  13. 2026-07-13 15:26 UTCEG score recompute
  14. 2026-07-13 15:26 UTCGHSA enrichment
  15. 2026-07-13 04:03 UTCEG score recompute
  16. 2026-07-13 04:02 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-9492?
CVE-2026-9492 is a high vulnerability published on July 13, 2026. 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…
When was CVE-2026-9492 disclosed?
CVE-2026-9492 was first published in the National Vulnerability Database on July 13, 2026, with the most recent update on July 14, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-9492 actively exploited?
CVE-2026-9492 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-9492?
CVE-2026-9492 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2026-9492?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-9492, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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