{
  "product": "Microsoft .NET Framework 3.5 AND 4.8 on Windows 11 version 21H2 for x64-based Systems",
  "url": "https://patchblox.com/security/product/microsoft/microsoft-.net-framework-3.5-and-4.8-on-windows-11-version-21h2-for-x64-based-systems",
  "summary": "Patch Radar has 13 security fixes for Microsoft .NET Framework 3.5 AND 4.8 on Windows 11 version 21H2 for x64-based Systems, closing 29 CVEs, 1 of which is being exploited. The newest security fix is KB5082426, released April 14, 2026. This product is no longer supported.",
  "platform": "microsoft",
  "vendor": "Microsoft",
  "supported": false,
  "fixCount": 13,
  "cveCount": 29,
  "exploitedCveCount": 1,
  "unfixedCveCount": 0,
  "fixes": [
    {
      "fix": "KB5082426",
      "url": "https://patchblox.com/security/fix/microsoft/kb5082426",
      "released": "2026-04-14T07:00:00Z",
      "fixedVersion": "",
      "priority": "Urgent",
      "cveCount": 3,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB5044092",
      "url": "https://patchblox.com/security/fix/microsoft/kb5044092",
      "released": "2024-10-23T12:00:00Z",
      "fixedVersion": "",
      "priority": "High",
      "cveCount": 2,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB5041020",
      "url": "https://patchblox.com/security/fix/microsoft/kb5041020",
      "released": "2024-07-09T12:00:00Z",
      "fixedVersion": "",
      "priority": "High",
      "cveCount": 1,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB5034276",
      "url": "https://patchblox.com/security/fix/microsoft/kb5034276",
      "released": "2024-05-08T12:00:00Z",
      "fixedVersion": "",
      "priority": "Patch now",
      "cveCount": 5,
      "exploitedCveCount": 1
    },
    {
      "fix": "KB5037037",
      "url": "https://patchblox.com/security/fix/microsoft/kb5037037",
      "released": "2024-04-09T12:00:00Z",
      "fixedVersion": "",
      "priority": "High",
      "cveCount": 1,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB5030181",
      "url": "https://patchblox.com/security/fix/microsoft/kb5030181",
      "released": "2023-12-12T14:00:00Z",
      "fixedVersion": "",
      "priority": "Urgent",
      "cveCount": 5,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB5032340",
      "url": "https://patchblox.com/security/fix/microsoft/kb5032340",
      "released": "2023-11-14T14:00:00Z",
      "fixedVersion": "",
      "priority": "High",
      "cveCount": 2,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB5029650",
      "url": "https://patchblox.com/security/fix/microsoft/kb5029650",
      "released": "2023-08-08T12:00:00Z",
      "fixedVersion": "",
      "priority": "High",
      "cveCount": 2,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB5027539",
      "url": "https://patchblox.com/security/fix/microsoft/kb5027539",
      "released": "2023-06-13T12:00:00Z",
      "fixedVersion": "",
      "priority": "Urgent",
      "cveCount": 6,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB5022730",
      "url": "https://patchblox.com/security/fix/microsoft/kb5022730",
      "released": "2023-02-14T14:00:00Z",
      "fixedVersion": "",
      "priority": "Urgent",
      "cveCount": 2,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB5021090",
      "url": "https://patchblox.com/security/fix/microsoft/kb5021090",
      "released": "2022-12-13T14:00:00Z",
      "fixedVersion": "",
      "priority": "High",
      "cveCount": 1,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB5012121",
      "url": "https://patchblox.com/security/fix/microsoft/kb5012121",
      "released": "2022-04-19T12:00:00Z",
      "fixedVersion": "",
      "priority": "High",
      "cveCount": 1,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB5008880",
      "url": "https://patchblox.com/security/fix/microsoft/kb5008880",
      "released": "2022-01-11T14:00:00Z",
      "fixedVersion": "",
      "priority": "High",
      "cveCount": 1,
      "exploitedCveCount": 0
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-14T14:09:31Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}