{
  "cveId": "CVE-2020-1027",
  "url": "https://patchblox.com/security/cve/CVE-2020-1027",
  "summary": "CVE-2020-1027 is fixed in 41 products on 1 platform, first by KB4550929, released April 14, 2020. It is being exploited: CISA added it to the Known Exploited Vulnerabilities catalog on May 23, 2022. Patch Radar priority: Patch now.",
  "title": "Windows Kernel Elevation of Privilege Vulnerability",
  "description": "\u003Cp\u003EAn elevation of privilege vulnerability exists in the way that the Windows Kernel handles objects in memory. An attacker who successfully exploited the vulnerability could execute code with elevated permissions.\u003C/p\u003E\n\u003Cp\u003ETo exploit the vulnerability, a locally authenticated attacker could run a specially crafted application.\u003C/p\u003E\n\u003Cp\u003EThe security update addresses the vulnerability by ensuring the Windows Kernel properly handles objects in memory.\u003C/p\u003E",
  "published": "2020-04-14T07:00:00Z",
  "severity": "Important",
  "cvss": 7.8,
  "epss": 0.04723,
  "epssPercentile": 0.9188,
  "priority": "Patch now",
  "priorityTier": 1,
  "exploited": true,
  "vendorExploited": true,
  "disclosed": false,
  "exploitabilityAssessment": "Exploitation Detected",
  "kev": {
    "added": "2022-05-23T00:00:00Z",
    "due": "2022-06-13T00:00:00Z",
    "ransomware": false,
    "requiredAction": "Apply updates per vendor instructions."
  },
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-1027",
  "fixes": [
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1607 for 32-bit Systems",
      "fixedVersion": "14393.3630",
      "fix": "KB4550929",
      "url": "https://patchblox.com/security/fix/microsoft/kb4550929",
      "released": "2020-04-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1607 for x64-based Systems",
      "fixedVersion": "14393.3630",
      "fix": "KB4550929",
      "url": "https://patchblox.com/security/fix/microsoft/kb4550929",
      "released": "2020-04-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1709 for 32-bit Systems",
      "fixedVersion": "16299.1806",
      "fix": "KB4550927",
      "url": "https://patchblox.com/security/fix/microsoft/kb4550927",
      "released": "2020-04-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1709 for ARM64-based Systems",
      "fixedVersion": "16299.1806",
      "fix": "KB4550927",
      "url": "https://patchblox.com/security/fix/microsoft/kb4550927",
      "released": "2020-04-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1709 for x64-based Systems",
      "fixedVersion": "16299.1806",
      "fix": "KB4550927",
      "url": "https://patchblox.com/security/fix/microsoft/kb4550927",
      "released": "2020-04-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1803 for 32-bit Systems",
      "fixedVersion": "17134.1425",
      "fix": "KB4550922",
      "url": "https://patchblox.com/security/fix/microsoft/kb4550922",
      "released": "2020-04-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1803 for ARM64-based Systems",
      "fixedVersion": "17134.1425",
      "fix": "KB4550922",
      "url": "https://patchblox.com/security/fix/microsoft/kb4550922",
      "released": "2020-04-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1803 for x64-based Systems",
      "fixedVersion": "17134.1425",
      "fix": "KB4550922",
      "url": "https://patchblox.com/security/fix/microsoft/kb4550922",
      "released": "2020-04-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1809 for 32-bit Systems",
      "fixedVersion": "17763.1158",
      "fix": "KB4549949",
      "url": "https://patchblox.com/security/fix/microsoft/kb4549949",
      "released": "2020-04-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1809 for ARM64-based Systems",
      "fixedVersion": "17763.1158",
      "fix": "KB4549949",
      "url": "https://patchblox.com/security/fix/microsoft/kb4549949",
      "released": "2020-04-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1809 for x64-based Systems",
      "fixedVersion": "17763.1158",
      "fix": "KB4549949",
      "url": "https://patchblox.com/security/fix/microsoft/kb4549949",
      "released": "2020-04-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1903 for 32-bit Systems",
      "fixedVersion": "",
      "fix": "KB4549951",
      "url": "https://patchblox.com/security/fix/microsoft/kb4549951",
      "released": "2020-04-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1903 for ARM64-based Systems",
      "fixedVersion": "",
      "fix": "KB4549951",
      "url": "https://patchblox.com/security/fix/microsoft/kb4549951",
      "released": "2020-04-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1903 for x64-based Systems",
      "fixedVersion": "",
      "fix": "KB4549951",
      "url": "https://patchblox.com/security/fix/microsoft/kb4549951",
      "released": "2020-04-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1909 for 32-bit Systems",
      "fixedVersion": "",
      "fix": "KB4549951",
      "url": "https://patchblox.com/security/fix/microsoft/kb4549951",
      "released": "2020-04-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1909 for ARM64-based Systems",
      "fixedVersion": "",
      "fix": "KB4549951",
      "url": "https://patchblox.com/security/fix/microsoft/kb4549951",
      "released": "2020-04-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1909 for x64-based Systems",
      "fixedVersion": "",
      "fix": "KB4549951",
      "url": "https://patchblox.com/security/fix/microsoft/kb4549951",
      "released": "2020-04-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 for 32-bit Systems",
      "fixedVersion": "10240.18545",
      "fix": "KB4550930",
      "url": "https://patchblox.com/security/fix/microsoft/kb4550930",
      "released": "2020-04-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 for x64-based Systems",
      "fixedVersion": "10240.18545",
      "fix": "KB4550930",
      "url": "https://patchblox.com/security/fix/microsoft/kb4550930",
      "released": "2020-04-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 7 for 32-bit Systems Service Pack 1",
      "fixedVersion": "",
      "fix": "KB4550965",
      "url": "https://patchblox.com/security/fix/microsoft/kb4550965",
      "released": "2020-04-14T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 7 for 32-bit Systems Service Pack 1",
      "fixedVersion": "",
      "fix": "KB4550964",
      "url": "https://patchblox.com/security/fix/microsoft/kb4550964",
      "released": "2020-04-14T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 7 for x64-based Systems Service Pack 1",
      "fixedVersion": "",
      "fix": "KB4550965",
      "url": "https://patchblox.com/security/fix/microsoft/kb4550965",
      "released": "2020-04-14T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 7 for x64-based Systems Service Pack 1",
      "fixedVersion": "",
      "fix": "KB4550964",
      "url": "https://patchblox.com/security/fix/microsoft/kb4550964",
      "released": "2020-04-14T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 8.1 for 32-bit systems",
      "fixedVersion": "",
      "fix": "KB4550961",
      "url": "https://patchblox.com/security/fix/microsoft/kb4550961",
      "released": "2020-04-14T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 8.1 for 32-bit systems",
      "fixedVersion": "",
      "fix": "KB4550970",
      "url": "https://patchblox.com/security/fix/microsoft/kb4550970",
      "released": "2020-04-14T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 8.1 for x64-based systems",
      "fixedVersion": "",
      "fix": "KB4550961",
      "url": "https://patchblox.com/security/fix/microsoft/kb4550961",
      "released": "2020-04-14T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 8.1 for x64-based systems",
      "fixedVersion": "",
      "fix": "KB4550970",
      "url": "https://patchblox.com/security/fix/microsoft/kb4550970",
      "released": "2020-04-14T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows RT 8.1",
      "fixedVersion": "",
      "fix": "KB4550961",
      "url": "https://patchblox.com/security/fix/microsoft/kb4550961",
      "released": "2020-04-14T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 R2 for x64-based Systems Service Pack 1",
      "fixedVersion": "",
      "fix": "KB4550965",
      "url": "https://patchblox.com/security/fix/microsoft/kb4550965",
      "released": "2020-04-14T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 R2 for x64-based Systems Service Pack 1",
      "fixedVersion": "",
      "fix": "KB4550964",
      "url": "https://patchblox.com/security/fix/microsoft/kb4550964",
      "released": "2020-04-14T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4550965",
      "url": "https://patchblox.com/security/fix/microsoft/kb4550965",
      "released": "2020-04-14T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4550964",
      "url": "https://patchblox.com/security/fix/microsoft/kb4550964",
      "released": "2020-04-14T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for 32-bit Systems Service Pack 2",
      "fixedVersion": "",
      "fix": "KB4550957",
      "url": "https://patchblox.com/security/fix/microsoft/kb4550957",
      "released": "2020-04-14T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for 32-bit Systems Service Pack 2",
      "fixedVersion": "",
      "fix": "KB4550951",
      "url": "https://patchblox.com/security/fix/microsoft/kb4550951",
      "released": "2020-04-14T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4550957",
      "url": "https://patchblox.com/security/fix/microsoft/kb4550957",
      "released": "2020-04-14T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4550951",
      "url": "https://patchblox.com/security/fix/microsoft/kb4550951",
      "released": "2020-04-14T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for x64-based Systems Service Pack 2",
      "fixedVersion": "",
      "fix": "KB4550957",
      "url": "https://patchblox.com/security/fix/microsoft/kb4550957",
      "released": "2020-04-14T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for x64-based Systems Service Pack 2",
      "fixedVersion": "",
      "fix": "KB4550951",
      "url": "https://patchblox.com/security/fix/microsoft/kb4550951",
      "released": "2020-04-14T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4550957",
      "url": "https://patchblox.com/security/fix/microsoft/kb4550957",
      "released": "2020-04-14T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4550951",
      "url": "https://patchblox.com/security/fix/microsoft/kb4550951",
      "released": "2020-04-14T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012",
      "fixedVersion": "",
      "fix": "KB4550917",
      "url": "https://patchblox.com/security/fix/microsoft/kb4550917",
      "released": "2020-04-14T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012",
      "fixedVersion": "",
      "fix": "KB4550971",
      "url": "https://patchblox.com/security/fix/microsoft/kb4550971",
      "released": "2020-04-14T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4550917",
      "url": "https://patchblox.com/security/fix/microsoft/kb4550917",
      "released": "2020-04-14T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4550971",
      "url": "https://patchblox.com/security/fix/microsoft/kb4550971",
      "released": "2020-04-14T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2",
      "fixedVersion": "",
      "fix": "KB4550961",
      "url": "https://patchblox.com/security/fix/microsoft/kb4550961",
      "released": "2020-04-14T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2",
      "fixedVersion": "",
      "fix": "KB4550970",
      "url": "https://patchblox.com/security/fix/microsoft/kb4550970",
      "released": "2020-04-14T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4550961",
      "url": "https://patchblox.com/security/fix/microsoft/kb4550961",
      "released": "2020-04-14T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4550970",
      "url": "https://patchblox.com/security/fix/microsoft/kb4550970",
      "released": "2020-04-14T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2016",
      "fixedVersion": "14393.3630",
      "fix": "KB4550929",
      "url": "https://patchblox.com/security/fix/microsoft/kb4550929",
      "released": "2020-04-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2016 (Server Core installation)",
      "fixedVersion": "14393.3630",
      "fix": "KB4550929",
      "url": "https://patchblox.com/security/fix/microsoft/kb4550929",
      "released": "2020-04-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2019",
      "fixedVersion": "17763.1158",
      "fix": "KB4549949",
      "url": "https://patchblox.com/security/fix/microsoft/kb4549949",
      "released": "2020-04-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2019 (Server Core installation)",
      "fixedVersion": "17763.1158",
      "fix": "KB4549949",
      "url": "https://patchblox.com/security/fix/microsoft/kb4549949",
      "released": "2020-04-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server, version 1803  (Server Core Installation)",
      "fixedVersion": "17134.1425",
      "fix": "KB4550922",
      "url": "https://patchblox.com/security/fix/microsoft/kb4550922",
      "released": "2020-04-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server, version 1903 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4549951",
      "url": "https://patchblox.com/security/fix/microsoft/kb4549951",
      "released": "2020-04-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server, version 1909 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4549951",
      "url": "https://patchblox.com/security/fix/microsoft/kb4549951",
      "released": "2020-04-14T00:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-07T12:40:37Z"
}