{
  "product": "Microsoft Outlook 2016 (64-bit edition)",
  "url": "https://patchblox.com/security/product/microsoft/microsoft-outlook-2016-64-bit-edition",
  "summary": "Patch Radar has 38 security fixes for Microsoft Outlook 2016 (64-bit edition), closing 56 CVEs, 3 of which are being exploited. The newest security fix is KB5002919, released September 8, 2026. This product is no longer supported.",
  "platform": "microsoft",
  "vendor": "Microsoft",
  "supported": false,
  "fixCount": 38,
  "cveCount": 56,
  "exploitedCveCount": 3,
  "unfixedCveCount": 0,
  "fixes": [
    {
      "fix": "KB5002919",
      "url": "https://patchblox.com/security/fix/microsoft/kb5002919",
      "released": "2026-09-08T07:00:00Z",
      "fixedVersion": "",
      "priority": "Urgent",
      "cveCount": 3,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB5002755",
      "url": "https://patchblox.com/security/fix/microsoft/kb5002755",
      "released": "2026-08-11T07:00:00Z",
      "fixedVersion": "",
      "priority": "Urgent",
      "cveCount": 3,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB5002839",
      "url": "https://patchblox.com/security/fix/microsoft/kb5002839",
      "released": "2026-02-10T08:00:00Z",
      "fixedVersion": "",
      "priority": "Urgent",
      "cveCount": 2,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB5002747",
      "url": "https://patchblox.com/security/fix/microsoft/kb5002747",
      "released": "2025-07-15T12:00:00Z",
      "fixedVersion": "",
      "priority": "High",
      "cveCount": 1,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB5002683",
      "url": "https://patchblox.com/security/fix/microsoft/kb5002683",
      "released": "2025-06-10T12:00:00Z",
      "fixedVersion": "",
      "priority": "Routine",
      "cveCount": 1,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB5002656",
      "url": "https://patchblox.com/security/fix/microsoft/kb5002656",
      "released": "2025-01-14T14:00:00Z",
      "fixedVersion": "",
      "priority": "Routine",
      "cveCount": 1,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB5002626",
      "url": "https://patchblox.com/security/fix/microsoft/kb5002626",
      "released": "2024-08-13T12:00:00Z",
      "fixedVersion": "",
      "priority": "Routine",
      "cveCount": 1,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB5002621",
      "url": "https://patchblox.com/security/fix/microsoft/kb5002621",
      "released": "2024-07-09T12:00:00Z",
      "fixedVersion": "",
      "priority": "Routine",
      "cveCount": 1,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB5002600",
      "url": "https://patchblox.com/security/fix/microsoft/kb5002600",
      "released": "2024-06-11T12:00:00Z",
      "fixedVersion": "",
      "priority": "High",
      "cveCount": 1,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB5002543",
      "url": "https://patchblox.com/security/fix/microsoft/kb5002543",
      "released": "2024-02-13T14:00:00Z",
      "fixedVersion": "",
      "priority": "Urgent",
      "cveCount": 1,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB5002499",
      "url": "https://patchblox.com/security/fix/microsoft/kb5002499",
      "released": "2023-09-12T12:00:00Z",
      "fixedVersion": "",
      "priority": "High",
      "cveCount": 1,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB5002387",
      "url": "https://patchblox.com/security/fix/microsoft/kb5002387",
      "released": "2023-08-21T12:00:00Z",
      "fixedVersion": "",
      "priority": "High",
      "cveCount": 1,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB5002459",
      "url": "https://patchblox.com/security/fix/microsoft/kb5002459",
      "released": "2023-08-08T12:00:00Z",
      "fixedVersion": "",
      "priority": "Routine",
      "cveCount": 1,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB5002427",
      "url": "https://patchblox.com/security/fix/microsoft/kb5002427",
      "released": "2023-07-11T12:00:00Z",
      "fixedVersion": "",
      "priority": "Patch now",
      "cveCount": 2,
      "exploitedCveCount": 1
    },
    {
      "fix": "KB5002254",
      "url": "https://patchblox.com/security/fix/microsoft/kb5002254",
      "released": "2023-03-14T12:00:00Z",
      "fixedVersion": "",
      "priority": "Patch now",
      "cveCount": 1,
      "exploitedCveCount": 1
    },
    {
      "fix": "KB5002051",
      "url": "https://patchblox.com/security/fix/microsoft/kb5002051",
      "released": "2022-08-09T12:00:00Z",
      "fixedVersion": "",
      "priority": "High",
      "cveCount": 1,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB5001942",
      "url": "https://patchblox.com/security/fix/microsoft/kb5001942",
      "released": "2021-06-08T12:00:00Z",
      "fixedVersion": "",
      "priority": "High",
      "cveCount": 1,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB4504712",
      "url": "https://patchblox.com/security/fix/microsoft/kb4504712",
      "released": "2021-04-13T12:00:00Z",
      "fixedVersion": "",
      "priority": "High",
      "cveCount": 1,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB4486748",
      "url": "https://patchblox.com/security/fix/microsoft/kb4486748",
      "released": "2020-12-08T14:00:00Z",
      "fixedVersion": "",
      "priority": "Routine",
      "cveCount": 1,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB4486671",
      "url": "https://patchblox.com/security/fix/microsoft/kb4486671",
      "released": "2020-10-15T07:00:00Z",
      "fixedVersion": "",
      "priority": "Urgent",
      "cveCount": 2,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB4484475",
      "url": "https://patchblox.com/security/fix/microsoft/kb4484475",
      "released": "2020-08-11T12:00:00Z",
      "fixedVersion": "",
      "priority": "Urgent",
      "cveCount": 2,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB4484433",
      "url": "https://patchblox.com/security/fix/microsoft/kb4484433",
      "released": "2020-07-14T12:00:00Z",
      "fixedVersion": "",
      "priority": "Urgent",
      "cveCount": 1,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB4484274",
      "url": "https://patchblox.com/security/fix/microsoft/kb4484274",
      "released": "2020-04-14T07:00:00Z",
      "fixedVersion": "",
      "priority": "High",
      "cveCount": 1,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB4484250",
      "url": "https://patchblox.com/security/fix/microsoft/kb4484250",
      "released": "2020-02-11T14:00:00Z",
      "fixedVersion": "",
      "priority": "High",
      "cveCount": 1,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB4475553",
      "url": "https://patchblox.com/security/fix/microsoft/kb4475553",
      "released": "2019-08-13T12:00:00Z",
      "fixedVersion": "",
      "priority": "Urgent",
      "cveCount": 2,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB4475517",
      "url": "https://patchblox.com/security/fix/microsoft/kb4475517",
      "released": "2019-07-09T12:00:00Z",
      "fixedVersion": "",
      "priority": "High",
      "cveCount": 1,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB4461601",
      "url": "https://patchblox.com/security/fix/microsoft/kb4461601",
      "released": "2019-01-08T08:00:00Z",
      "fixedVersion": "",
      "priority": "High",
      "cveCount": 1,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB4461544",
      "url": "https://patchblox.com/security/fix/microsoft/kb4461544",
      "released": "2018-12-11T08:00:00Z",
      "fixedVersion": "",
      "priority": "Urgent",
      "cveCount": 1,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB4461506",
      "url": "https://patchblox.com/security/fix/microsoft/kb4461506",
      "released": "2018-11-13T14:00:00Z",
      "fixedVersion": "",
      "priority": "Urgent",
      "cveCount": 4,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB4022160",
      "url": "https://patchblox.com/security/fix/microsoft/kb4022160",
      "released": "2018-06-12T07:00:00Z",
      "fixedVersion": "",
      "priority": "High",
      "cveCount": 1,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB4011682",
      "url": "https://patchblox.com/security/fix/microsoft/kb4011682",
      "released": "2018-02-13T08:00:00Z",
      "fixedVersion": "",
      "priority": "Urgent",
      "cveCount": 2,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB4011626",
      "url": "https://patchblox.com/security/fix/microsoft/kb4011626",
      "released": "2018-01-09T08:00:00Z",
      "fixedVersion": "",
      "priority": "High",
      "cveCount": 1,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB4011162",
      "url": "https://patchblox.com/security/fix/microsoft/kb4011162",
      "released": "2017-10-10T07:00:00Z",
      "fixedVersion": "",
      "priority": "Patch now",
      "cveCount": 2,
      "exploitedCveCount": 1
    },
    {
      "fix": "KB4011052",
      "url": "https://patchblox.com/security/fix/microsoft/kb4011052",
      "released": "2017-07-27T07:00:00Z",
      "fixedVersion": "",
      "priority": "High",
      "cveCount": 3,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB3191932",
      "url": "https://patchblox.com/security/fix/microsoft/kb3191932",
      "released": "2017-06-13T07:00:00Z",
      "fixedVersion": "",
      "priority": "High",
      "cveCount": 3,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB3178664",
      "url": "https://patchblox.com/security/fix/microsoft/kb3178664",
      "released": "2017-04-11T07:00:00Z",
      "fixedVersion": "",
      "priority": "Urgent",
      "cveCount": 2,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB3118293",
      "url": "https://patchblox.com/security/fix/microsoft/kb3118293",
      "released": "2016-09-13T12:00:00Z",
      "fixedVersion": "",
      "priority": "High",
      "cveCount": 1,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB3115279",
      "url": "https://patchblox.com/security/fix/microsoft/kb3115279",
      "released": "2016-07-12T07:00:00Z",
      "fixedVersion": "",
      "priority": "High",
      "cveCount": 1,
      "exploitedCveCount": 0
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-11T13:47:35Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}