{
  "cveId": "CVE-2020-0689",
  "url": "https://patchblox.com/security/cve/CVE-2020-0689",
  "summary": "CVE-2020-0689 is fixed in 16 products on 1 platform, first by KB4535680, released February 12, 2020. It is not reported as exploited. Patch Radar priority: High.",
  "title": "Microsoft Secure Boot Security Feature Bypass Vulnerability",
  "description": "\u003Cp\u003EA security feature bypass vulnerability exists in secure boot. An attacker who successfully exploited the vulnerability can bypass secure boot and load untrusted software.\u003C/p\u003E\n\u003Cp\u003ETo exploit the vulnerability, an attacker could run a specially crafted application.\u003C/p\u003E\n\u003Cp\u003EThe security update addresses the vulnerability by blocking vulnerable third-party bootloaders.\u003C/p\u003E\n\u003Cp\u003EFor further information see \u003Ca href=\u0022https://support.microsoft.com/en-us/help/4535680\u0022\u003ESecurity update for Secure Boot DBX: January 12, 2021\u003C/a\u003E.\u003C/p\u003E",
  "published": "2020-02-12T14:00:00Z",
  "severity": "Important",
  "cvss": 8.2,
  "epss": 0.01082,
  "epssPercentile": 0.65354,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": true,
  "exploitabilityAssessment": "Exploitation Less Likely",
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-0689",
  "fixes": [
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1607 for x64-based Systems",
      "fixedVersion": "",
      "fix": "KB5012170",
      "url": "https://patchblox.com/security/fix/microsoft/kb5012170",
      "released": "2022-08-09T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1803 for x64-based Systems",
      "fixedVersion": "",
      "fix": "KB4535680",
      "url": "https://patchblox.com/security/fix/microsoft/kb4535680",
      "released": "2020-02-12T14:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1809 for x64-based Systems",
      "fixedVersion": "",
      "fix": "KB5012170",
      "url": "https://patchblox.com/security/fix/microsoft/kb5012170",
      "released": "2022-08-09T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1909 for x64-based Systems",
      "fixedVersion": "",
      "fix": "KB4535680",
      "url": "https://patchblox.com/security/fix/microsoft/kb4535680",
      "released": "2020-02-12T14:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 for x64-based Systems",
      "fixedVersion": "",
      "fix": "KB5012170",
      "url": "https://patchblox.com/security/fix/microsoft/kb5012170",
      "released": "2022-08-09T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 8.1 for x64-based systems",
      "fixedVersion": "",
      "fix": "KB5012170",
      "url": "https://patchblox.com/security/fix/microsoft/kb5012170",
      "released": "2022-08-09T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012",
      "fixedVersion": "",
      "fix": "KB5012170",
      "url": "https://patchblox.com/security/fix/microsoft/kb5012170",
      "released": "2022-08-09T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB5012170",
      "url": "https://patchblox.com/security/fix/microsoft/kb5012170",
      "released": "2022-08-09T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2",
      "fixedVersion": "",
      "fix": "KB5012170",
      "url": "https://patchblox.com/security/fix/microsoft/kb5012170",
      "released": "2022-08-09T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB5012170",
      "url": "https://patchblox.com/security/fix/microsoft/kb5012170",
      "released": "2022-08-09T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2016",
      "fixedVersion": "",
      "fix": "KB5012170",
      "url": "https://patchblox.com/security/fix/microsoft/kb5012170",
      "released": "2022-08-09T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2016 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB5012170",
      "url": "https://patchblox.com/security/fix/microsoft/kb5012170",
      "released": "2022-08-09T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2019",
      "fixedVersion": "",
      "fix": "KB5012170",
      "url": "https://patchblox.com/security/fix/microsoft/kb5012170",
      "released": "2022-08-09T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2019 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB5012170",
      "url": "https://patchblox.com/security/fix/microsoft/kb5012170",
      "released": "2022-08-09T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server, version 1803  (Server Core Installation)",
      "fixedVersion": "",
      "fix": "KB4535680",
      "url": "https://patchblox.com/security/fix/microsoft/kb4535680",
      "released": "2020-02-12T14:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server, version 1909 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4535680",
      "url": "https://patchblox.com/security/fix/microsoft/kb4535680",
      "released": "2020-02-12T14:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T00:53:09Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}