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CVE-2025-47978

Estado: AnalizadaMedia (6.5)—

Out-of-bounds read in Windows Kerberos allows an authorized attacker to deny service over a network.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (3)

Microsoft — Windows Server 2022Microsoft — Windows Server 2022 23h2Microsoft — Windows Server 2025

CWE

Referencias

JSON original (NVD)

Mostrar
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  "id": "CVE-2025-47978",
  "cveTags": [],
  "metrics": {
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        "ssvcData": {
          "id": "CVE-2025-47978",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-07-09T13:54:19.496498Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
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        "source": "secure@microsoft.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 6.5,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "secure@microsoft.com",
      "affectedData": [
        {
          "vendor": "Microsoft",
          "product": "Windows Server 2022",
          "versions": [
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              "version": "10.0.20348.0",
              "lessThan": "10.0.20348.3932",
              "versionType": "custom"
            }
          ],
          "platforms": [
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        },
        {
          "vendor": "Microsoft",
          "product": "Windows Server 2022, 23H2 Edition (Server Core installation)",
          "versions": [
            {
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              "version": "10.0.25398.0",
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          "platforms": [
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          "vendor": "Microsoft",
          "product": "Windows Server 2025 (Server Core installation)",
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              "status": "affected",
              "version": "10.0.26100.0",
              "lessThan": "10.0.26100.4652",
              "versionType": "custom"
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          ],
          "platforms": [
            "x64-based Systems"
          ]
        }
      ]
    }
  ],
  "published": "2025-07-08T17:15:38.217",
  "references": [
    {
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-47978",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "secure@microsoft.com"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "secure@microsoft.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-125"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Out-of-bounds read in Windows Kerberos allows an authorized attacker to deny service over a network."
    },
    {
      "lang": "es",
      "value": "La lectura fuera de los límites en Windows Kerberos permite que un atacante autorizado deniegue el servicio a través de una red."
    }
  ],
  "lastModified": "2026-06-17T09:28:56.227",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
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          "operator": "OR"
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  "sourceIdentifier": "secure@microsoft.com"
}