CVE-2026-58529

{
  "id": "CVE-2026-58529",
  "sourceIdentifier": "[email protected]",
  "published": "2026-07-14T18:18:39.550",
  "lastModified": "2026-10-24T21:10:00.130",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Out-of-bounds read in Active Directory Federation Services (AD FS) allows an authorized attacker to disclose information over a network."
    },
    {
      "lang": "es",
      "value": "Lectura fuera de límites en Active Directory Federation Services (AD FS) permite a un atacante autorizado divulgar información a través de una red."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "Microsoft",
          "product": "Windows 11 version 26H1",
          "platforms": [
            "ARM64-based Systems",
            "x64-based Systems"
          ],
          "versions": [
            {
              "version": "10.0.28000.0",
              "lessThan": "10.0.28000.2525",
              "versionType": "custom",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L",
          "baseScore": 7.1,
          "baseSeverity": "HIGH",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "availabilityImpact": "LOW"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 4.2
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-07-14T17:45:21.909471Z",
          "id": "CVE-2026-58529",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-125"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:arm64:*",
              "versionEndExcluding": "10.0.28000.2525",
              "matchCriteriaId": "8E90830B-0BD1-4D01-9C7D-0F0E1828A0F5"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:x64:*",
              "versionEndExcluding": "10.0.28000.2525",
              "matchCriteriaId": "D335CB65-70DC-4DB1-9519-AF9243EC2FDF"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58529",
      "source": "[email protected]",
      "tags": [
        "Vendor Advisory",
        "Patch"
      ]
    }
  ]
}