CVE-2026-21709

{
  "id": "CVE-2026-21709",
  "sourceIdentifier": "[email protected]",
  "published": "2026-04-17T16:16:36.413",
  "lastModified": "2026-10-26T21:10:00.170",
  "vulnStatus": "Awaiting Analysis",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability allowing a local attacker with administrator privileges to bypass Windows Driver Signature Enforcement."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad que permite a un atacante local con privilegios de administrador eludir la Aplicación de Firma de Controladores de Windows."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "Veeam",
          "product": "Backup and Replication",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "12",
              "lessThan": "12.3.2",
              "versionType": "semver",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Veeam",
          "product": "Software Appliance",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "13",
              "lessThan": "13.0.1",
              "versionType": "semver",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
          "baseScore": 6.7,
          "baseSeverity": "MEDIUM",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "HIGH",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 0.8,
        "impactScore": 5.9
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-04-18T03:55:57.432669Z",
          "id": "CVE-2026-21709",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-77"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://www.veeam.com/kb4830",
      "source": "[email protected]"
    },
    {
      "url": "https://www.veeam.com/kb4831",
      "source": "[email protected]"
    }
  ]
}