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CVE-2025-26685

Estado: AnalizadaMedia (6.5)—

Improper authentication in Microsoft Defender for Identity allows an unauthorized attacker to perform spoofing over an adjacent 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 (1)

Microsoft — Defender FOR Identity

CWE

Referencias

JSON original (NVD)

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          "id": "CVE-2025-26685",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-05-13T18:10:20.924292Z"
        }
      }
    ],
    "cvssMetricV31": [
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        "type": "Secondary",
        "source": "secure@microsoft.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 6.5,
          "attackVector": "ADJACENT_NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "secure@microsoft.com",
      "affectedData": [
        {
          "vendor": "Microsoft",
          "product": "Microsoft Defender for Identity",
          "versions": [
            {
              "status": "affected",
              "version": "-"
            }
          ]
        }
      ]
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  ],
  "published": "2025-05-13T17:15:52.133",
  "references": [
    {
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-26685",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "secure@microsoft.com"
    }
  ],
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  "weaknesses": [
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      "source": "secure@microsoft.com",
      "description": [
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          "value": "CWE-287"
        }
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    },
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      "value": "La autenticación incorrecta en Microsoft Defender for Identity permite que un atacante no autorizado realice suplantación de identidad en una red adyacente."
    }
  ],
  "lastModified": "2026-06-17T09:02:17.100",
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}