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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-109836",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-11-06T19:08:24.682563Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-11-06T19:08:38.663Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Core Temp",
          "vendor": "ALCPU",
          "versions": [
            {
              "lessThan": "1.21",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "The Core Temp kernel driver provided by ALCPU is vulnerable to insufficient access control in an exposed IOCTL, which may allow physical memory to be read or written."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "baseScore": 6.7,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.0"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en-US",
              "value": "GENERAL"
            }
          ]
        },
        {
          "cvssV4_0": {
            "baseScore": 8.4,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
            "version": "4.0"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en-US",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-782",
              "description": "Exposed IOCTL with insufficient access control",
              "lang": "en-US",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-11-03T22:52:42.855Z",
        "orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
        "shortName": "jpcert"
      },
      "references": [
        {
          "url": "http://www.alcpu.com/CoreTemp"
        },
        {
          "url": "https://jvn.jp/en/jp/JVN23328936/"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
    "assignerShortName": "jpcert",
    "cveId": "CVE-2026-109836",
    "datePublished": "2026-11-03T22:52:42.855Z",
    "dateReserved": "2026-10-13T06:39:11.365Z",
    "dateUpdated": "2026-11-06T19:08:38.663Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

{
  "@rdf:about": "https://jvndb.jvn.jp/en/contents/2026/JVNDB-2026-000164.html",
  "dc:date": "2026-11-02T13:51+09:00",
  "dcterms:issued": "2026-11-02T13:51+09:00",
  "dcterms:modified": "2026-11-02T13:51+09:00",
  "description": "Core Temp kernel driver provided by ALCPU contains the vulnerability listed below:\u003ca href=\u0027https://cwe.mitre.org/data/definitions/782.html\u0027 target=\u0027_blank\u0027\u003e\u003c/a\u003e\u003cul\u003e\u003cli\u003eExposed IOCTL with Insufficient Access Control (CWE-782) - CVE-2026-109836\u003c/li\u003e\u003c/ul\u003eTamaki Yanagawa reported this vulnerability to IPA.\r\nJPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.",
  "link": "https://jvndb.jvn.jp/en/contents/2026/JVNDB-2026-000164.html",
  "sec:cpe": {
    "#text": "cpe:/a:misc:alcpu_core_temp",
    "@product": "Core Temp",
    "@vendor": "ALCPU",
    "@version": "2.2"
  },
  "sec:cvss": {
    "@score": "6.7",
    "@severity": "Medium",
    "@type": "Base",
    "@vector": "CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
    "@version": "3.0"
  },
  "sec:identifier": "JVNDB-2026-000164",
  "sec:references": [
    {
      "#text": "https://jvn.jp/en/jp/JVN23328936/index.html",
      "@id": "JVN#23328936",
      "@source": "JVN"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-109836",
      "@id": "CVE-2026-109836",
      "@source": "CVE"
    },
    {
      "#text": "https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html",
      "@id": "CWE-Other",
      "@title": "No Mapping(CWE-Other)"
    }
  ],
  "title": "Core Temp kernel driver vulnerable to exposed IOCTL with insufficient access control"
}