{
  "cveId": "CVE-2021-1636",
  "url": "https://patchblox.com/security/cve/CVE-2021-1636",
  "summary": "CVE-2021-1636 is fixed in 12 products on 1 platform, first by KB4583465, released January 12, 2021. It is not reported as exploited. Patch Radar priority: High.",
  "title": "Microsoft SQL Elevation of Privilege Vulnerability",
  "description": "",
  "published": "2021-01-12T14:00:00Z",
  "severity": "Important",
  "cvss": 8.8,
  "epss": 0.06693,
  "epssPercentile": 0.93951,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "exploitabilityAssessment": "Exploitation Less Likely",
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-1636",
  "fixes": [
    {
      "platform": "microsoft",
      "product": "Microsoft SQL Server 2012 for 32-bit Systems Service Pack 4 (QFE)",
      "fixedVersion": "",
      "fix": "KB4583465",
      "url": "https://patchblox.com/security/fix/microsoft/kb4583465",
      "released": "2021-01-12T14:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft SQL Server 2012 for x64-based Systems Service Pack 4 (QFE)",
      "fixedVersion": "",
      "fix": "KB4583465",
      "url": "https://patchblox.com/security/fix/microsoft/kb4583465",
      "released": "2021-01-12T14:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft SQL Server 2014 Service Pack 3 for 32-bit Systems (CU 4)",
      "fixedVersion": "",
      "fix": "KB4583462",
      "url": "https://patchblox.com/security/fix/microsoft/kb4583462",
      "released": "2021-01-12T14:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft SQL Server 2014 Service Pack 3 for 32-bit Systems (GDR)",
      "fixedVersion": "",
      "fix": "KB4583463",
      "url": "https://patchblox.com/security/fix/microsoft/kb4583463",
      "released": "2021-01-12T14:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft SQL Server 2014 Service Pack 3 for x64-based Systems (CU 4)",
      "fixedVersion": "",
      "fix": "KB4583462",
      "url": "https://patchblox.com/security/fix/microsoft/kb4583462",
      "released": "2021-01-12T14:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft SQL Server 2014 Service Pack 3 for x64-based Systems (GDR)",
      "fixedVersion": "",
      "fix": "KB4583463",
      "url": "https://patchblox.com/security/fix/microsoft/kb4583463",
      "released": "2021-01-12T14:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft SQL Server 2016 Service Pack 2 for x64-based Systems (CU 15)",
      "fixedVersion": "",
      "fix": "KB4583461",
      "url": "https://patchblox.com/security/fix/microsoft/kb4583461",
      "released": "2021-01-12T14:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft SQL Server 2016 for x64-based Systems Service Pack 2 (GDR)",
      "fixedVersion": "",
      "fix": "KB4583460",
      "url": "https://patchblox.com/security/fix/microsoft/kb4583460",
      "released": "2021-01-12T14:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft SQL Server 2017 for x64-based Systems (CU 22)",
      "fixedVersion": "",
      "fix": "KB4583457",
      "url": "https://patchblox.com/security/fix/microsoft/kb4583457",
      "released": "2021-01-12T14:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft SQL Server 2017 for x64-based Systems (GDR)",
      "fixedVersion": "",
      "fix": "KB4583456",
      "url": "https://patchblox.com/security/fix/microsoft/kb4583456",
      "released": "2021-01-12T14:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft SQL Server 2019 for x64-based Systems (CU 8)",
      "fixedVersion": "",
      "fix": "KB4583459",
      "url": "https://patchblox.com/security/fix/microsoft/kb4583459",
      "released": "2021-01-12T14:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft SQL Server 2019 for x64-based Systems (GDR)",
      "fixedVersion": "",
      "fix": "KB4583458",
      "url": "https://patchblox.com/security/fix/microsoft/kb4583458",
      "released": "2021-01-12T14:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T13:06:02Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}