{
  "product": "Windows Server, version 1903 (Server Core installation)",
  "url": "https://patchblox.com/security/product/microsoft/windows-server-version-1903-server-core-installation",
  "summary": "Patch Radar has 24 security fixes for Windows Server, version 1903 (Server Core installation), closing 1,068 CVEs, 29 of which are being exploited. The newest security fix is KB4592449, released December 8, 2020. This product is no longer supported.",
  "platform": "microsoft",
  "vendor": "Microsoft",
  "supported": false,
  "fixCount": 24,
  "cveCount": 1068,
  "exploitedCveCount": 29,
  "unfixedCveCount": 0,
  "fixes": [
    {
      "fix": "KB4592449",
      "url": "https://patchblox.com/security/fix/microsoft/kb4592449",
      "released": "2020-12-08T00:00:00Z",
      "fixedVersion": "",
      "priority": "Urgent",
      "cveCount": 21,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB4586786",
      "url": "https://patchblox.com/security/fix/microsoft/kb4586786",
      "released": "2020-11-10T00:00:00Z",
      "fixedVersion": "",
      "priority": "Patch now",
      "cveCount": 58,
      "exploitedCveCount": 1
    },
    {
      "fix": "KB4577671",
      "url": "https://patchblox.com/security/fix/microsoft/kb4577671",
      "released": "2020-10-13T00:00:00Z",
      "fixedVersion": "",
      "priority": "Urgent",
      "cveCount": 50,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB4574727",
      "url": "https://patchblox.com/security/fix/microsoft/kb4574727",
      "released": "2020-09-08T00:00:00Z",
      "fixedVersion": "",
      "priority": "Patch now",
      "cveCount": 83,
      "exploitedCveCount": 1
    },
    {
      "fix": "KB4565351",
      "url": "https://patchblox.com/security/fix/microsoft/kb4565351",
      "released": "2020-08-11T00:00:00Z",
      "fixedVersion": "",
      "priority": "Patch now",
      "cveCount": 89,
      "exploitedCveCount": 3
    },
    {
      "fix": "KB4565554",
      "url": "https://patchblox.com/security/fix/microsoft/kb4565554",
      "released": "2020-07-14T12:00:00Z",
      "fixedVersion": "",
      "priority": "High",
      "cveCount": 1,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB4565483",
      "url": "https://patchblox.com/security/fix/microsoft/kb4565483",
      "released": "2020-07-14T00:00:00Z",
      "fixedVersion": "",
      "priority": "Patch now",
      "cveCount": 90,
      "exploitedCveCount": 1
    },
    {
      "fix": "KB4560960",
      "url": "https://patchblox.com/security/fix/microsoft/kb4560960",
      "released": "2020-06-09T00:00:00Z",
      "fixedVersion": "",
      "priority": "Patch now",
      "cveCount": 104,
      "exploitedCveCount": 1
    },
    {
      "fix": "KB4556799",
      "url": "https://patchblox.com/security/fix/microsoft/kb4556799",
      "released": "2020-05-12T00:00:00Z",
      "fixedVersion": "",
      "priority": "Patch now",
      "cveCount": 92,
      "exploitedCveCount": 2
    },
    {
      "fix": "KB4549951",
      "url": "https://patchblox.com/security/fix/microsoft/kb4549951",
      "released": "2020-04-14T00:00:00Z",
      "fixedVersion": "",
      "priority": "Patch now",
      "cveCount": 74,
      "exploitedCveCount": 4
    },
    {
      "fix": "KB4551762",
      "url": "https://patchblox.com/security/fix/microsoft/kb4551762",
      "released": "2020-03-12T00:00:00Z",
      "fixedVersion": "",
      "priority": "Patch now",
      "cveCount": 1,
      "exploitedCveCount": 1
    },
    {
      "fix": "KB4540673",
      "url": "https://patchblox.com/security/fix/microsoft/kb4540673",
      "released": "2020-03-10T00:00:00Z",
      "fixedVersion": "",
      "priority": "Patch now",
      "cveCount": 95,
      "exploitedCveCount": 1
    },
    {
      "fix": "KB4532693",
      "url": "https://patchblox.com/security/fix/microsoft/kb4532693",
      "released": "2020-02-11T00:00:00Z",
      "fixedVersion": "",
      "priority": "Patch now",
      "cveCount": 85,
      "exploitedCveCount": 2
    },
    {
      "fix": "KB4528760",
      "url": "https://patchblox.com/security/fix/microsoft/kb4528760",
      "released": "2020-01-14T00:00:00Z",
      "fixedVersion": "",
      "priority": "Patch now",
      "cveCount": 30,
      "exploitedCveCount": 2
    },
    {
      "fix": "KB4530684",
      "url": "https://patchblox.com/security/fix/microsoft/kb4530684",
      "released": "2019-12-10T00:00:00Z",
      "fixedVersion": "",
      "priority": "Urgent",
      "cveCount": 18,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB4524570",
      "url": "https://patchblox.com/security/fix/microsoft/kb4524570",
      "released": "2019-11-12T00:00:00Z",
      "fixedVersion": "",
      "priority": "Patch now",
      "cveCount": 52,
      "exploitedCveCount": 4
    },
    {
      "fix": "KB4517388",
      "url": "https://patchblox.com/security/fix/microsoft/kb4517388",
      "released": "2019-10-09T12:00:00Z",
      "fixedVersion": "",
      "priority": "High",
      "cveCount": 1,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB4517389",
      "url": "https://patchblox.com/security/fix/microsoft/kb4517389",
      "released": "2019-10-08T00:00:00Z",
      "fixedVersion": "18362.418",
      "priority": "Patch now",
      "cveCount": 42,
      "exploitedCveCount": 3
    },
    {
      "fix": "KB4515384",
      "url": "https://patchblox.com/security/fix/microsoft/kb4515384",
      "released": "2019-09-10T00:00:00Z",
      "fixedVersion": "18362.356",
      "priority": "Patch now",
      "cveCount": 55,
      "exploitedCveCount": 3
    },
    {
      "fix": "KB4512508",
      "url": "https://patchblox.com/security/fix/microsoft/kb4512508",
      "released": "2019-08-13T00:00:00Z",
      "fixedVersion": "18362.295",
      "priority": "Urgent",
      "cveCount": 71,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB4507435",
      "url": "https://patchblox.com/security/fix/microsoft/kb4507435",
      "released": "2019-07-09T00:00:00Z",
      "fixedVersion": "17134.885",
      "priority": "Patch now",
      "cveCount": 56,
      "exploitedCveCount": 3
    },
    {
      "fix": "KB4507453",
      "url": "https://patchblox.com/security/fix/microsoft/kb4507453",
      "released": "2019-07-09T00:00:00Z",
      "fixedVersion": "18362.239",
      "priority": "Patch now",
      "cveCount": 54,
      "exploitedCveCount": 3
    },
    {
      "fix": "KB4503293",
      "url": "https://patchblox.com/security/fix/microsoft/kb4503293",
      "released": "2019-06-11T00:00:00Z",
      "fixedVersion": "18362.175",
      "priority": "Patch now",
      "cveCount": 59,
      "exploitedCveCount": 2
    },
    {
      "fix": "KB4497936",
      "url": "https://patchblox.com/security/fix/microsoft/kb4497936",
      "released": "2019-05-14T07:00:00Z",
      "fixedVersion": "",
      "priority": "Patch now",
      "cveCount": 52,
      "exploitedCveCount": 2
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-10T07:50:38Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}