CVE-2026-94142 (GCVE-0-2026-94142)

Vulnerability from cvelistv5 – Published: 2026-09-21 04:45 – Updated: 2026-09-21 04:45
VLAI
Title
BioStar Temperature Monitor Utility IOCTL BS_HWMIO64_W10.sys sub_1105C write-what-where
Summary
A security vulnerability has been detected in BioStar Temperature Monitor Utility 1.2.1806.2200. Affected by this vulnerability is the function sub_1105C of the file BS_HWMIO64_W10.sys of the component IOCTL Handler. Such manipulation of the argument PhysicalAddress leads to write-what-where condition. The attack needs to be performed locally. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
CWE
References
URL Tags
https://vuldb.com/vuln/408057 vdb-entrytechnical-description
https://vuldb.com/vuln/408057/cti signaturepermissions-required
https://vuldb.com/cve/CVE-2026-94142 third-party-advisory
https://vuldb.com/submit/893919 third-party-advisory
Impacted products
Vendor Product Version CPE status
BioStar Temperature Monitor Utility Affected: 1.2.1806.2200
    cpe:2.3:a:biostar:temperature_monitor_utility:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

{
  "containers": {
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:biostar:temperature_monitor_utility:*:*:*:*:*:*:*:*"
          ],
          "modules": [
            "IOCTL Handler"
          ],
          "product": "Temperature Monitor Utility",
          "vendor": "BioStar",
          "versions": [
            {
              "status": "affected",
              "version": "1.2.1806.2200"
            }
          ]
        }
      ],
      "credits": [
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          "type": "reporter",
          "value": "Bigcat (VulDB User)"
        },
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          "type": "coordinator",
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        }
      ],
      "descriptions": [
        {
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          "value": "A security vulnerability has been detected in BioStar Temperature Monitor Utility 1.2.1806.2200. Affected by this vulnerability is the function sub_1105C of the file BS_HWMIO64_W10.sys of the component IOCTL Handler. Such manipulation of the argument PhysicalAddress leads to write-what-where condition. The attack needs to be performed locally. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way."
        }
      ],
      "metrics": [
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            "baseSeverity": "CRITICAL",
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            }
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        },
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      "providerMetadata": {
        "dateUpdated": "2026-09-21T04:45:07.782Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
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          "name": "VDB-408057 | BioStar Temperature Monitor Utility IOCTL BS_HWMIO64_W10.sys sub_1105C write-what-where",
          "tags": [
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            "technical-description"
          ],
          "url": "https://vuldb.com/vuln/408057"
        },
        {
          "name": "VDB-408057 | CTI Indicators (IOB, IOC, IOA)",
          "tags": [
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          "url": "https://vuldb.com/vuln/408057/cti"
        },
        {
          "name": "CVE-2026-94142 | CVE Analysis and Report",
          "tags": [
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          ],
          "url": "https://vuldb.com/cve/CVE-2026-94142"
        },
        {
          "name": "Submit #893919 | BioStar Temperature Monitor Utility 1.2.1806.2200 Arbitrary Kernel Memory Read/Write",
          "tags": [
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          "url": "https://vuldb.com/submit/893919"
        }
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          "time": "2026-09-20T00:00:00.000Z",
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          "time": "2026-09-20T02:00:00.000Z",
          "value": "VulDB entry created"
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        {
          "lang": "en",
          "time": "2026-09-20T22:07:53.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "BioStar Temperature Monitor Utility IOCTL BS_HWMIO64_W10.sys sub_1105C write-what-where",
      "x_generator": [
        "VulDB PVTS v202609"
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2026-94142",
    "datePublished": "2026-09-21T04:45:07.782Z",
    "dateReserved": "2026-09-20T20:02:48.391Z",
    "dateUpdated": "2026-09-21T04:45:07.782Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": {
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        "affected": [
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              {
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                  "cpe:2.3:a:biostar:temperature_monitor_utility:*:*:*:*:*:*:*:*"
                ],
                "modules": [
                  "IOCTL Handler"
                ],
                "product": "Temperature Monitor Utility",
                "vendor": "BioStar",
                "versions": [
                  {
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                  }
                ]
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            ],
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        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "A security vulnerability has been detected in BioStar Temperature Monitor Utility 1.2.1806.2200. Affected by this vulnerability is the function sub_1105C of the file BS_HWMIO64_W10.sys of the component IOCTL Handler. Such manipulation of the argument PhysicalAddress leads to write-what-where condition. The attack needs to be performed locally. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way."
          }
        ],
        "id": "CVE-2026-94142",
        "lastModified": "2026-09-21T05:16:42.053",
        "metrics": {
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            {
              "acInsufInfo": false,
              "baseSeverity": "MEDIUM",
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          "cvssMetricV40": [
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                "Recovery": "NOT_DEFINED",
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                "exploitMaturity": "PROOF_OF_CONCEPT",
                "integrityRequirement": "NOT_DEFINED",
                "modifiedAttackComplexity": "NOT_DEFINED",
                "modifiedAttackRequirements": "NOT_DEFINED",
                "modifiedAttackVector": "NOT_DEFINED",
                "modifiedPrivilegesRequired": "NOT_DEFINED",
                "modifiedSubAvailabilityImpact": "NOT_DEFINED",
                "modifiedSubConfidentialityImpact": "NOT_DEFINED",
                "modifiedSubIntegrityImpact": "NOT_DEFINED",
                "modifiedUserInteraction": "NOT_DEFINED",
                "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
                "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
                "modifiedVulnIntegrityImpact": "NOT_DEFINED",
                "privilegesRequired": "LOW",
                "providerUrgency": "NOT_DEFINED",
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                "valueDensity": "NOT_DEFINED",
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                "vulnIntegrityImpact": "HIGH",
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        "vulnStatus": "Received",
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  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
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