{
  "product": "Office Online Server",
  "url": "https://patchblox.com/security/product/microsoft/office-online-server",
  "summary": "Patch Radar has 34 security fixes for Office Online Server, closing 201 CVEs. The newest security fix is KB5002928, released October 13, 2026.",
  "platform": "microsoft",
  "vendor": "Microsoft",
  "supported": true,
  "fixCount": 34,
  "cveCount": 201,
  "exploitedCveCount": 0,
  "unfixedCveCount": 0,
  "fixes": [
    {
      "fix": "KB5002928",
      "url": "https://patchblox.com/security/fix/microsoft/kb5002928",
      "released": "2026-10-13T07:00:00Z",
      "fixedVersion": "",
      "priority": "Urgent",
      "cveCount": 44,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB5002910",
      "url": "https://patchblox.com/security/fix/microsoft/kb5002910",
      "released": "2026-09-08T07:00:00Z",
      "fixedVersion": "",
      "priority": "High",
      "cveCount": 5,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB5002884",
      "url": "https://patchblox.com/security/fix/microsoft/kb5002884",
      "released": "2026-07-14T07:00:00Z",
      "fixedVersion": "",
      "priority": "Urgent",
      "cveCount": 56,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB5002875",
      "url": "https://patchblox.com/security/fix/microsoft/kb5002875",
      "released": "2026-06-09T07:00:00Z",
      "fixedVersion": "",
      "priority": "High",
      "cveCount": 7,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB5002871",
      "url": "https://patchblox.com/security/fix/microsoft/kb5002871",
      "released": "2026-05-12T07:00:00Z",
      "fixedVersion": "",
      "priority": "High",
      "cveCount": 3,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB5002855",
      "url": "https://patchblox.com/security/fix/microsoft/kb5002855",
      "released": "2026-04-14T07:00:00Z",
      "fixedVersion": "",
      "priority": "High",
      "cveCount": 5,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB5002846",
      "url": "https://patchblox.com/security/fix/microsoft/kb5002846",
      "released": "2026-03-10T07:00:00Z",
      "fixedVersion": "",
      "priority": "High",
      "cveCount": 4,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB5002835",
      "url": "https://patchblox.com/security/fix/microsoft/kb5002835",
      "released": "2026-02-10T08:00:00Z",
      "fixedVersion": "",
      "priority": "High",
      "cveCount": 3,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB5002824",
      "url": "https://patchblox.com/security/fix/microsoft/kb5002824",
      "released": "2026-01-13T08:00:00Z",
      "fixedVersion": "",
      "priority": "Urgent",
      "cveCount": 3,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB5002817",
      "url": "https://patchblox.com/security/fix/microsoft/kb5002817",
      "released": "2025-12-09T14:00:00Z",
      "fixedVersion": "",
      "priority": "High",
      "cveCount": 5,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB5002801",
      "url": "https://patchblox.com/security/fix/microsoft/kb5002801",
      "released": "2025-11-11T14:00:00Z",
      "fixedVersion": "",
      "priority": "High",
      "cveCount": 6,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB5002752",
      "url": "https://patchblox.com/security/fix/microsoft/kb5002752",
      "released": "2025-10-16T12:00:00Z",
      "fixedVersion": "",
      "priority": "High",
      "cveCount": 5,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB5002797",
      "url": "https://patchblox.com/security/fix/microsoft/kb5002797",
      "released": "2025-10-14T12:00:00Z",
      "fixedVersion": "",
      "priority": "Urgent",
      "cveCount": 8,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB5002776",
      "url": "https://patchblox.com/security/fix/microsoft/kb5002776",
      "released": "2025-09-09T12:00:00Z",
      "fixedVersion": "",
      "priority": "High",
      "cveCount": 6,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB5002740",
      "url": "https://patchblox.com/security/fix/microsoft/kb5002740",
      "released": "2025-07-08T12:00:00Z",
      "fixedVersion": "",
      "priority": "Urgent",
      "cveCount": 3,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB5002728",
      "url": "https://patchblox.com/security/fix/microsoft/kb5002728",
      "released": "2025-06-10T12:00:00Z",
      "fixedVersion": "",
      "priority": "High",
      "cveCount": 1,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB5002707",
      "url": "https://patchblox.com/security/fix/microsoft/kb5002707",
      "released": "2025-05-13T12:00:00Z",
      "fixedVersion": "",
      "priority": "High",
      "cveCount": 7,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB5002699",
      "url": "https://patchblox.com/security/fix/microsoft/kb5002699",
      "released": "2025-04-08T12:00:00Z",
      "fixedVersion": "",
      "priority": "High",
      "cveCount": 3,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB5002690",
      "url": "https://patchblox.com/security/fix/microsoft/kb5002690",
      "released": "2025-03-11T12:00:00Z",
      "fixedVersion": "",
      "priority": "High",
      "cveCount": 3,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB5002679",
      "url": "https://patchblox.com/security/fix/microsoft/kb5002679",
      "released": "2025-02-11T14:00:00Z",
      "fixedVersion": "",
      "priority": "Urgent",
      "cveCount": 5,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB5002677",
      "url": "https://patchblox.com/security/fix/microsoft/kb5002677",
      "released": "2025-01-14T14:00:00Z",
      "fixedVersion": "",
      "priority": "Urgent",
      "cveCount": 2,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB5002503",
      "url": "https://patchblox.com/security/fix/microsoft/kb5002503",
      "released": "2024-05-14T12:00:00Z",
      "fixedVersion": "",
      "priority": "High",
      "cveCount": 1,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB5002097",
      "url": "https://patchblox.com/security/fix/microsoft/kb5002097",
      "released": "2021-12-14T14:00:00Z",
      "fixedVersion": "",
      "priority": "High",
      "cveCount": 1,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB5001943",
      "url": "https://patchblox.com/security/fix/microsoft/kb5001943",
      "released": "2021-06-08T12:00:00Z",
      "fixedVersion": "",
      "priority": "High",
      "cveCount": 1,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB4493192",
      "url": "https://patchblox.com/security/fix/microsoft/kb4493192",
      "released": "2021-02-09T14:00:00Z",
      "fixedVersion": "",
      "priority": "High",
      "cveCount": 3,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB4486750",
      "url": "https://patchblox.com/security/fix/microsoft/kb4486750",
      "released": "2020-12-15T14:00:00Z",
      "fixedVersion": "",
      "priority": "High",
      "cveCount": 5,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB4484470",
      "url": "https://patchblox.com/security/fix/microsoft/kb4484470",
      "released": "2020-08-11T12:00:00Z",
      "fixedVersion": "",
      "priority": "High",
      "cveCount": 4,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB4484254",
      "url": "https://patchblox.com/security/fix/microsoft/kb4484254",
      "released": "2020-02-11T14:00:00Z",
      "fixedVersion": "",
      "priority": "High",
      "cveCount": 1,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB4484223",
      "url": "https://patchblox.com/security/fix/microsoft/kb4484223",
      "released": "2020-01-14T08:00:00Z",
      "fixedVersion": "",
      "priority": "High",
      "cveCount": 1,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB4484141",
      "url": "https://patchblox.com/security/fix/microsoft/kb4484141",
      "released": "2019-11-12T08:00:00Z",
      "fixedVersion": "",
      "priority": "High",
      "cveCount": 3,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB4475595",
      "url": "https://patchblox.com/security/fix/microsoft/kb4475595",
      "released": "2019-10-08T12:00:00Z",
      "fixedVersion": "",
      "priority": "High",
      "cveCount": 1,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB4011027",
      "url": "https://patchblox.com/security/fix/microsoft/kb4011027",
      "released": "2018-12-11T08:00:00Z",
      "fixedVersion": "",
      "priority": "Urgent",
      "cveCount": 2,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB3213658",
      "url": "https://patchblox.com/security/fix/microsoft/kb3213658",
      "released": "2017-09-12T07:00:00Z",
      "fixedVersion": "",
      "priority": "Urgent",
      "cveCount": 2,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB3127895",
      "url": "https://patchblox.com/security/fix/microsoft/kb3127895",
      "released": "2017-04-11T07:00:00Z",
      "fixedVersion": "",
      "priority": "High",
      "cveCount": 1,
      "exploitedCveCount": 0
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T06:59:42Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}