fkie_cve-2025-53786
Vulnerability from fkie_nvd
Published
2025-08-06 16:15
Modified
2025-08-06 20:23
Severity ?
8.0 (High) - CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
Summary
On April 18th 2025, Microsoft announced Exchange Server Security Changes for Hybrid Deployments and accompanying non-security Hot Fix. Microsoft made these changes in the general interest of improving the security of hybrid Exchange deployments. Following further investigation, Microsoft identified specific security implications tied to the guidance and configuration steps outlined in the April announcement. Microsoft is issuing CVE-2025-53786 to document a vulnerability that is addressed by taking the steps documented with the April 18th announcement. Microsoft strongly recommends reading the information, installing the April 2025 (or later) Hot Fix and implementing the changes in your Exchange Server and hybrid environment.
References
secure@microsoft.comhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53786
Impacted products
Vendor Product Version


To clipboard 

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "On April 18th 2025, Microsoft announced Exchange Server Security Changes for Hybrid Deployments and accompanying non-security Hot Fix. Microsoft made these changes in the general interest of improving the security of hybrid Exchange deployments. Following further investigation, Microsoft identified specific security implications tied to the guidance and configuration steps outlined in the April announcement. Microsoft is issuing CVE-2025-53786 to document a vulnerability that is addressed by taking the steps documented with the April 18th announcement. Microsoft strongly recommends reading the information, installing the April 2025 (or later) Hot Fix and implementing the changes in your Exchange Server and hybrid environment."
    },
    {
      "lang": "es",
      "value": "El 18 de abril de 2025, Microsoft anunci\u00f3 cambios de seguridad en Exchange Server para implementaciones h\u00edbridas y la correcci\u00f3n urgente correspondiente, no relacionada con la seguridad. Microsoft implement\u00f3 estos cambios con el objetivo general de mejorar la seguridad de las implementaciones h\u00edbridas de Exchange. Tras una investigaci\u00f3n m\u00e1s exhaustiva, Microsoft identific\u00f3 implicaciones de seguridad espec\u00edficas relacionadas con las instrucciones y los pasos de configuraci\u00f3n descritos en el anuncio de abril. Microsoft publica la vulnerabilidad CVE-2025-53786 para documentar una vulnerabilidad que se soluciona siguiendo los pasos documentados en el anuncio del 18 de abril. Microsoft recomienda encarecidamente leer la informaci\u00f3n, instalar la correcci\u00f3n urgente de abril de 2025 (o posterior) e implementar los cambios en su Exchange Server y entorno h\u00edbrido."
    }
  ],
  "id": "CVE-2025-53786",
  "lastModified": "2025-08-06T20:23:37.600",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.0,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.3,
        "impactScore": 6.0,
        "source": "secure@microsoft.com",
        "type": "Primary"
      }
    ]
  },
  "published": "2025-08-06T16:15:30.700",
  "references": [
    {
      "source": "secure@microsoft.com",
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53786"
    }
  ],
  "sourceIdentifier": "secure@microsoft.com",
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-287"
        }
      ],
      "source": "secure@microsoft.com",
      "type": "Primary"
    }
  ]
}


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