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CVE-2026-4483

An exposed IOCTL with an  insufficient access control vulnerability has been identified in the utility, MxGeneralIo, for Moxa’s industrial x86 computers. The affected utility, MxGeneralIo, exposes IOCTL methods that permit direct read and write access to MSR and system memory. A local attacker with high privileges could abuse these interfaces to perform unauthorized operations. Successful exploitation may result in privilege escalation on Windows 7 systems or cause a system crash (BSoD) on Windo
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:5efcaac9d27ca6f98100f32094172ebb8d94d1db2364c99e3f4d950fb75c2a49
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 3 assertions

{"defaultStatus":"unaffected","platforms":["Windows 10","Windows 11"],"product":"MxGeneralIo","vendor":"Moxa","versions":[{"lessThan":"1.5.0","status":"affected","version":"1.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:c368779c6bde7dad41deac186186764fde33a6cc62cc55bf1450e7ed2b728829 · sha256:ad9ce8e1bccfed63… · /containers/cna/affected/1

{"defaultStatus":"unaffected","platforms":["Windows 7 x64"],"product":"MxGeneralIo","vendor":"Moxa","versions":[{"lessThan":"1.4.0","status":"affected","version":"1.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:c368779c6bde7dad41deac186186764fde33a6cc62cc55bf1450e7ed2b728829 · sha256:ad9ce8e1bccfed63… · /containers/cna/affected/2

{"defaultStatus":"unaffected","platforms":["Windows 7 x86"],"product":"MxGeneralIo","vendor":"Moxa","versions":[{"lessThan":"1.4.0","status":"affected","version":"1.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:c368779c6bde7dad41deac186186764fde33a6cc62cc55bf1450e7ed2b728829 · sha256:ad9ce8e1bccfed63… · /containers/cna/affected/0

Affected products and versions

3 source assertions
{"defaultStatus":"unaffected","platforms":["Windows 10","Windows 11"],"product":"MxGeneralIo","vendor":"Moxa","versions":[{"lessThan":"1.5.0","status":"affected","version":"1.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:c368779c6bde7dad41deac186186764fde33a6cc62cc55bf1450e7ed2b728829 · sha256:ad9ce8e1bccfed63… · /containers/cna/affected/1
{"defaultStatus":"unaffected","platforms":["Windows 7 x64"],"product":"MxGeneralIo","vendor":"Moxa","versions":[{"lessThan":"1.4.0","status":"affected","version":"1.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:c368779c6bde7dad41deac186186764fde33a6cc62cc55bf1450e7ed2b728829 · sha256:ad9ce8e1bccfed63… · /containers/cna/affected/2
{"defaultStatus":"unaffected","platforms":["Windows 7 x86"],"product":"MxGeneralIo","vendor":"Moxa","versions":[{"lessThan":"1.4.0","status":"affected","version":"1.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:c368779c6bde7dad41deac186186764fde33a6cc62cc55bf1450e7ed2b728829 · sha256:ad9ce8e1bccfed63… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":7,"baseSeverity":"HIGH","exploitMaturity":"NOT_DEFINED","privilegesRequired":"HIGH","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"LO…
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:c368779c6bde7dad41deac186186764fde33a6cc62cc55bf1450e7ed2b728829 · sha256:ad9ce8e1bccfed63… · /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:c368779c6bde7dad41deac186186764fde33a6cc62cc55bf1450e7ed2b728829 · sha256:ad9ce8e1bccfed63… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"tags":["vendor-advisory"],"url":"https://www.moxa.com/en/support/product-support/security-advisory/mpsa-254811-cve-2026-4483-exposed-ioctl-with-insufficient-access-control-vulnerability-in-the-utility-for-x86-computers"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:c368779c6bde7dad41deac186186764fde33a6cc62cc55bf1450e7ed2b728829 · sha256:ad9ce8e1bccfed63… · /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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