CVE-2026-86397

{
  "id": "CVE-2026-86397",
  "sourceIdentifier": "[email protected]",
  "published": "2026-10-28T09:17:07.663",
  "lastModified": "2026-10-30T04:18:26.990",
  "vulnStatus": "Undergoing Analysis",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Dell PowerProtect Data Domain, Feature Release versions 7.7.1.0 through 8.8, LTS2024 release versions 7.13.1.0 through 7.13.1.80, LTS2025 release versions 8.3.1.0 through 8.3.1.40, LTS2026 release versions 8.6.1.0 through 8.6.1.20, contain an Improper Authentication vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to privileged account creation. This is a critical severity vulnerability as it allows an attacker to take complete control of the system. Dell recommends customers to upgrade at the earliest opportunity."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "Dell",
          "product": "PowerProtect Data Domain",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "0",
              "lessThan": "8.9.0.0 or later",
              "versionType": "semver",
              "status": "affected"
            },
            {
              "version": "0",
              "lessThan": "7.13.1.90 or later",
              "versionType": "semver",
              "status": "affected"
            },
            {
              "version": "0",
              "lessThan": "8.3.1.50 or later",
              "versionType": "semver",
              "status": "affected"
            },
            {
              "version": "0",
              "lessThan": "8.6.1.30 or later",
              "versionType": "semver",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-10-29T00:00:00+00:00",
          "id": "CVE-2026-86397",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-862"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://www.dell.com/support/kbdoc/en-us/000515178/dsa-2026-416-security-update-for-dell-powerprotect-data-domain-multiple-vulnerabilities",
      "source": "[email protected]"
    }
  ]
}