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CVE-2026-20829

Estado: AnalizadaMedia (5.5)—

Out-of-bounds read in Windows TPM allows an authorized attacker to disclose information locally.

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 (10)

CWE

Referencias

JSON original (NVD)

Mostrar
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  "id": "CVE-2026-20829",
  "cveTags": [],
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        "ssvcData": {
          "id": "CVE-2026-20829",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-01-13T19:37:35.159004Z"
        }
      }
    ],
    "cvssMetricV31": [
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        "type": "Secondary",
        "source": "secure@microsoft.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.5,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1.8
      }
    ]
  },
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      "affectedData": [
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          "product": "Windows Server 2022",
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          "product": "Windows Server 2025",
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  ],
  "published": "2026-01-13T18:16:10.657",
  "references": [
    {
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20829",
      "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 TPM allows an authorized attacker to disclose information locally."
    },
    {
      "lang": "es",
      "value": "Lectura fuera de límites en TPM de Windows permite a un atacante autorizado divulgar información localmente."
    }
  ],
  "lastModified": "2026-07-30T21:17:00.273",
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}