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CVE-2026-33103

Estado: AnalizadaMedia (5.5)—

Improper access control in Microsoft Dynamics 365 (on-premises) 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 (1)

Microsoft — Dynamics 365

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2026-33103",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
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        "ssvcData": {
          "id": "CVE-2026-33103",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-04-14T19:22:09.783447Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "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
      }
    ]
  },
  "affected": [
    {
      "source": "secure@microsoft.com",
      "affectedData": [
        {
          "vendor": "Microsoft",
          "product": "Microsoft Dynamics 365 (on-premises) version 9.0",
          "versions": [
            {
              "status": "affected",
              "version": "9.0.0",
              "lessThan": "9.1.0044.0015",
              "versionType": "custom"
            }
          ]
        }
      ]
    }
  ],
  "published": "2026-04-14T18:17:33.000",
  "references": [
    {
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33103",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "secure@microsoft.com"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "secure@microsoft.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-284"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Improper access control in Microsoft Dynamics 365 (on-premises) allows an authorized attacker to disclose information locally."
    },
    {
      "lang": "es",
      "value": "Control de acceso inadecuado en Microsoft Dynamics 365 (local) permite a un atacante autorizado divulgar información localmente."
    }
  ],
  "lastModified": "2026-07-24T23:10:00.563",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:microsoft:dynamics_365:*:*:*:*:on-premises:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "CB8564B1-332E-4880-916B-7064D5DF8DEB",
              "versionEndExcluding": "9.1.44.15",
              "versionStartIncluding": "9.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "secure@microsoft.com"
}