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CVE-2026-20833

Estado: AnalizadaMedia (5.5)—

Use of a broken or risky cryptographic algorithm in Windows Kerberos 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 (7)

CWE

Referencias

JSON original (NVD)

Mostrar
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          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-01-13T19:37:13.975379Z"
        }
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          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
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          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
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        "exploitabilityScore": 1.8
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  "published": "2026-01-13T18:16:11.320",
  "references": [
    {
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20833",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "secure@microsoft.com"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
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      "source": "secure@microsoft.com",
      "description": [
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          "lang": "en",
          "value": "CWE-327"
        }
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    {
      "lang": "en",
      "value": "Use of a broken or risky cryptographic algorithm in Windows Kerberos allows an authorized attacker to disclose information locally."
    },
    {
      "lang": "es",
      "value": "El uso de un algoritmo criptográfico roto o arriesgado en Windows Kerberos permite a un atacante autorizado divulgar información localmente."
    }
  ],
  "lastModified": "2026-06-17T10:17:52.640",
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}