{
  "cveId": "CVE-2019-1126",
  "url": "https://patchblox.com/security/cve/CVE-2019-1126",
  "summary": "CVE-2019-1126 is fixed in 8 products on 1 platform, first by KB4507460, released July 9, 2019. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "ADFS Security Feature Bypass Vulnerability",
  "description": "\u003Cp\u003EA security feature bypass vulnerability exists in Active Directory Federation Services (ADFS) which could allow an attacker to bypass the extranet lockout policy.\u003C/p\u003E\n\u003Cp\u003ETo exploit this vulnerability, an attacker could run a specially crafted application, which would allow an attacker to launch a password brute-force attack or cause account lockouts in Active Directory.\u003C/p\u003E\n\u003Cp\u003EThis security update corrects how ADFS handles external authentication requests.\u003C/p\u003E",
  "published": "2019-07-09T12:00:00Z",
  "severity": "Important",
  "cvss": 5.3,
  "epss": 0.04948,
  "epssPercentile": 0.92211,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "exploitabilityAssessment": "Exploitation Less Likely",
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2019-1126",
  "fixes": [
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2",
      "fixedVersion": "",
      "fix": "KB4507457",
      "url": "https://patchblox.com/security/fix/microsoft/kb4507457",
      "released": "2019-07-09T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2",
      "fixedVersion": "",
      "fix": "KB4507448",
      "url": "https://patchblox.com/security/fix/microsoft/kb4507448",
      "released": "2019-07-09T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4507457",
      "url": "https://patchblox.com/security/fix/microsoft/kb4507457",
      "released": "2019-07-09T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4507448",
      "url": "https://patchblox.com/security/fix/microsoft/kb4507448",
      "released": "2019-07-09T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2016",
      "fixedVersion": "14393.3085",
      "fix": "KB4507460",
      "url": "https://patchblox.com/security/fix/microsoft/kb4507460",
      "released": "2019-07-09T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2016 (Server Core installation)",
      "fixedVersion": "14393.3085",
      "fix": "KB4507460",
      "url": "https://patchblox.com/security/fix/microsoft/kb4507460",
      "released": "2019-07-09T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2019",
      "fixedVersion": "17763.615",
      "fix": "KB4507469",
      "url": "https://patchblox.com/security/fix/microsoft/kb4507469",
      "released": "2019-07-09T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2019 (Server Core installation)",
      "fixedVersion": "17763.615",
      "fix": "KB4507469",
      "url": "https://patchblox.com/security/fix/microsoft/kb4507469",
      "released": "2019-07-09T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server, version 1803  (Server Core Installation)",
      "fixedVersion": "17134.885",
      "fix": "KB4507435",
      "url": "https://patchblox.com/security/fix/microsoft/kb4507435",
      "released": "2019-07-09T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server, version 1903 (Server Core installation)",
      "fixedVersion": "18362.239",
      "fix": "KB4507453",
      "url": "https://patchblox.com/security/fix/microsoft/kb4507453",
      "released": "2019-07-09T00:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-07T18:46:35Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}