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        "metrics": [
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              "content": {
                "id": "CVE-2026-8479",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
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                    "Technical Impact": "partial"
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                "timestamp": "2026-05-26T14:30:56.474198Z",
                "version": "2.0.3"
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          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
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          "defaultStatus": "unaffected",
          "product": "RTU500 series CMU firmware",
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            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
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            "attackRequirements": "NONE",
            "attackVector": "ADJACENT",
            "baseScore": 6.9,
            "baseSeverity": "MEDIUM",
            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "LOW",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "NONE",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
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          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
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          "descriptions": [
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              "cweId": "CWE-476",
              "description": "CWE-476 NULL pointer dereference",
              "lang": "en",
              "type": "CWE"
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      "providerMetadata": {
        "dateUpdated": "2026-05-26T14:49:40.036Z",
        "orgId": "e383dce4-0c27-4495-91c4-0db157728d17",
        "shortName": "Hitachi Energy"
      },
      "references": [
        {
          "url": "https://publisher.hitachienergy.com/preview?DocumentID=8DBD000252\u0026LanguageCode=en\u0026DocumentPartId=\u0026Action=Launch"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
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    "assignerOrgId": "e383dce4-0c27-4495-91c4-0db157728d17",
    "assignerShortName": "Hitachi Energy",
    "cveId": "CVE-2026-8479",
    "datePublished": "2026-05-26T11:54:09.962Z",
    "dateReserved": "2026-05-13T13:42:53.588Z",
    "dateUpdated": "2026-05-26T14:49:40.036Z",
    "state": "PUBLISHED"
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  "dataVersion": "5.2"
}