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CVE-2026-9492

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.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:277294277c8275aea47fb2280e793139b41ba1cf75e2eefbb663baa4cf3bf6a5
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cvss · 2 assertions

{"metric":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:55bae9a1eec48e0125a8c4919b66157f82935b8b4c8e0d947934684667976f98 · sha256:4f83df50324894d9… · /containers/cna/metrics/1/cvssV3_1

{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"LOCAL","baseScore":8.5,"baseSeverity":"HIGH","exploitMaturity":"NOT_DEFINED","privilegesRequired":"LOW","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIG…

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:55bae9a1eec48e0125a8c4919b66157f82935b8b4c8e0d947934684667976f98 · sha256:4f83df50324894d9… · /containers/cna/metrics/0/cvssV4_0

Affected products and versions

1 source assertion
{"defaultStatus":"unaffected","product":"MBStorage","vendor":"GIGABYTE","versions":[{"lessThanOrEqual":"26.02.10.01","status":"affected","version":"0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:55bae9a1eec48e0125a8c4919b66157f82935b8b4c8e0d947934684667976f98 · sha256:4f83df50324894d9… · /containers/cna/affected/0

Provider-owned CVSS observations

2 source assertions
{"metric":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:55bae9a1eec48e0125a8c4919b66157f82935b8b4c8e0d947934684667976f98 · sha256:4f83df50324894d9… · /containers/cna/metrics/1/cvssV3_1
{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"LOCAL","baseScore":8.5,"baseSeverity":"HIGH","exploitMaturity":"NOT_DEFINED","privilegesRequired":"LOW","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIG…
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:55bae9a1eec48e0125a8c4919b66157f82935b8b4c8e0d947934684667976f98 · sha256:4f83df50324894d9… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-782","description":"CWE-782 Exposed IOCTL with insufficient access control","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:55bae9a1eec48e0125a8c4919b66157f82935b8b4c8e0d947934684667976f98 · sha256:4f83df50324894d9… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"tags":["third-party-advisory"],"url":"https://www.twcert.org.tw/en/cp-139-11034-f7f2f-2.html"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:55bae9a1eec48e0125a8c4919b66157f82935b8b4c8e0d947934684667976f98 · sha256:4f83df50324894d9… · /containers/cna/references/1
{"tags":["third-party-advisory"],"url":"https://www.twcert.org.tw/tw/cp-132-11033-97316-1.html"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:55bae9a1eec48e0125a8c4919b66157f82935b8b4c8e0d947934684667976f98 · sha256:4f83df50324894d9… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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