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CVE-2025-59206

Full vulnerability record from the local CVENow database.

Description

Windows Resilient File System (ReFS) Deduplication Service Elevation of Privilege Vulnerability

Severity
HIGH
CVSS score
7.4 (v3.1)
Vulnerability status
Analyzed
Source identifier
Published
2025-10-14 17:16:00.593000
Last modified
2026-10-18 21:10:00.120000
View original CVE JSON
{
  "id": "CVE-2025-59206",
  "sourceIdentifier": "[email protected]",
  "published": "2025-10-14T17:16:00.593",
  "lastModified": "2026-10-18T21:10:00.120",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Windows Resilient File System (ReFS) Deduplication Service Elevation of Privilege Vulnerability"
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad de elevación de privilegios del servicio de deduplicación del sistema de archivos resistente (ReFS) de Windows"
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "Microsoft",
          "product": "Windows 11 Version 24H2",
          "platforms": [
            "ARM64-based Systems",
            "x64-based Systems"
          ],
          "versions": [
            {
              "version": "10.0.26100.0",
              "lessThan": "10.0.26100.6899",
              "versionType": "custom",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Windows 11 Version 25H2",
          "versions": [
            {
              "version": "10.0.26200.0",
              "lessThan": "10.0.26200.6899",
              "versionType": "custom",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Windows Server 2025",
          "platforms": [
            "x64-based Systems"
          ],
          "versions": [
            {
              "version": "10.0.26100.0",
              "lessThan": "10.0.26100.6899",
              "versionType": "custom",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Windows Server 2025 (Server Core installation)",
          "platforms": [
            "x64-based Systems"
          ],
          "versions": [
            {
              "version": "10.0.26100.0",
              "lessThan": "10.0.26100.6899",
              "versionType": "custom",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "baseScore": 7.4,
          "baseSeverity": "HIGH",
          "attackVector": "LOCAL",
          "attackComplexity": "HIGH",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 1.4,
        "impactScore": 5.9
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2025-10-15T03:55:49.652162Z",
          "id": "CVE-2025-59206",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "10.0.26100.6899",
              "matchCriteriaId": "41E9F7AC-8E6D-43A0-A157-48A5E0B5BD0D"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "10.0.26200.6899",
              "matchCriteriaId": "3B77A066-4F79-4B1F-AECF-58DB4C651EA5"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*",
              "versionEndIncluding": "10.0.26100.6899",
              "matchCriteriaId": "CD6268EB-C42B-406F-B3FF-6E694F93BF41"
            }
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        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-59206",
      "source": "[email protected]",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}