{
  "product": "Windows Server, version 2004 (Server Core installation)",
  "url": "https://patchblox.com/security/product/microsoft/windows-server-version-2004-server-core-installation",
  "summary": "Patch Radar has 21 security fixes for Windows Server, version 2004 (Server Core installation), closing 929 CVEs, 29 of which are being exploited. The newest security fix is KB5094127, released June 9, 2026. This product is no longer supported.",
  "platform": "microsoft",
  "vendor": "Microsoft",
  "supported": false,
  "fixCount": 21,
  "cveCount": 929,
  "exploitedCveCount": 29,
  "unfixedCveCount": 0,
  "fixes": [
    {
      "fix": "KB5094127",
      "url": "https://patchblox.com/security/fix/microsoft/kb5094127",
      "released": "2026-06-09T00:00:00Z",
      "fixedVersion": "",
      "priority": "Urgent",
      "cveCount": 142,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB5008212",
      "url": "https://patchblox.com/security/fix/microsoft/kb5008212",
      "released": "2021-12-14T00:00:00Z",
      "fixedVersion": "",
      "priority": "Patch now",
      "cveCount": 32,
      "exploitedCveCount": 2
    },
    {
      "fix": "KB5007186",
      "url": "https://patchblox.com/security/fix/microsoft/kb5007186",
      "released": "2021-11-09T00:00:00Z",
      "fixedVersion": "",
      "priority": "Patch now",
      "cveCount": 29,
      "exploitedCveCount": 3
    },
    {
      "fix": "KB5006670",
      "url": "https://patchblox.com/security/fix/microsoft/kb5006670",
      "released": "2021-10-12T00:00:00Z",
      "fixedVersion": "",
      "priority": "Patch now",
      "cveCount": 46,
      "exploitedCveCount": 3
    },
    {
      "fix": "KB5005565",
      "url": "https://patchblox.com/security/fix/microsoft/kb5005565",
      "released": "2021-09-14T00:00:00Z",
      "fixedVersion": "",
      "priority": "Patch now",
      "cveCount": 34,
      "exploitedCveCount": 2
    },
    {
      "fix": "KB5005033",
      "url": "https://patchblox.com/security/fix/microsoft/kb5005033",
      "released": "2021-08-10T00:00:00Z",
      "fixedVersion": "",
      "priority": "Patch now",
      "cveCount": 27,
      "exploitedCveCount": 5
    },
    {
      "fix": "KB5004237",
      "url": "https://patchblox.com/security/fix/microsoft/kb5004237",
      "released": "2021-07-13T00:00:00Z",
      "fixedVersion": "",
      "priority": "Patch now",
      "cveCount": 82,
      "exploitedCveCount": 3
    },
    {
      "fix": "KB5003637",
      "url": "https://patchblox.com/security/fix/microsoft/kb5003637",
      "released": "2021-06-08T00:00:00Z",
      "fixedVersion": "",
      "priority": "Patch now",
      "cveCount": 24,
      "exploitedCveCount": 7
    },
    {
      "fix": "KB5003173",
      "url": "https://patchblox.com/security/fix/microsoft/kb5003173",
      "released": "2021-05-11T00:00:00Z",
      "fixedVersion": "",
      "priority": "Patch now",
      "cveCount": 25,
      "exploitedCveCount": 1
    },
    {
      "fix": "KB5001330",
      "url": "https://patchblox.com/security/fix/microsoft/kb5001330",
      "released": "2021-04-13T00:00:00Z",
      "fixedVersion": "",
      "priority": "Patch now",
      "cveCount": 79,
      "exploitedCveCount": 1
    },
    {
      "fix": "KB5000802",
      "url": "https://patchblox.com/security/fix/microsoft/kb5000802",
      "released": "2021-03-09T00:00:00Z",
      "fixedVersion": "",
      "priority": "Patch now",
      "cveCount": 50,
      "exploitedCveCount": 2
    },
    {
      "fix": "KB4601319",
      "url": "https://patchblox.com/security/fix/microsoft/kb4601319",
      "released": "2021-02-09T00:00:00Z",
      "fixedVersion": "",
      "priority": "Patch now",
      "cveCount": 29,
      "exploitedCveCount": 2
    },
    {
      "fix": "KB4598242",
      "url": "https://patchblox.com/security/fix/microsoft/kb4598242",
      "released": "2021-01-12T00:00:00Z",
      "fixedVersion": "",
      "priority": "Urgent",
      "cveCount": 62,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB4592438",
      "url": "https://patchblox.com/security/fix/microsoft/kb4592438",
      "released": "2020-12-08T00:00:00Z",
      "fixedVersion": "",
      "priority": "Urgent",
      "cveCount": 20,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB4586781",
      "url": "https://patchblox.com/security/fix/microsoft/kb4586781",
      "released": "2020-11-10T00:00:00Z",
      "fixedVersion": "",
      "priority": "Patch now",
      "cveCount": 57,
      "exploitedCveCount": 1
    },
    {
      "fix": "KB4579311",
      "url": "https://patchblox.com/security/fix/microsoft/kb4579311",
      "released": "2020-10-13T00:00:00Z",
      "fixedVersion": "19041.572",
      "priority": "Urgent",
      "cveCount": 50,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB4571756",
      "url": "https://patchblox.com/security/fix/microsoft/kb4571756",
      "released": "2020-09-08T00:00:00Z",
      "fixedVersion": "19041.508",
      "priority": "Patch now",
      "cveCount": 83,
      "exploitedCveCount": 1
    },
    {
      "fix": "KB4566782",
      "url": "https://patchblox.com/security/fix/microsoft/kb4566782",
      "released": "2020-08-11T00:00:00Z",
      "fixedVersion": "19041.450",
      "priority": "Patch now",
      "cveCount": 88,
      "exploitedCveCount": 2
    },
    {
      "fix": "KB4566785",
      "url": "https://patchblox.com/security/fix/microsoft/kb4566785",
      "released": "2020-07-14T12:00:00Z",
      "fixedVersion": "",
      "priority": "High",
      "cveCount": 1,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB4565503",
      "url": "https://patchblox.com/security/fix/microsoft/kb4565503",
      "released": "2020-07-14T00:00:00Z",
      "fixedVersion": "19041.388",
      "priority": "Patch now",
      "cveCount": 92,
      "exploitedCveCount": 1
    },
    {
      "fix": "KB4557957",
      "url": "https://patchblox.com/security/fix/microsoft/kb4557957",
      "released": "2020-06-09T00:00:00Z",
      "fixedVersion": "19041.329",
      "priority": "Patch now",
      "cveCount": 102,
      "exploitedCveCount": 1
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T19:12:23Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}