{
  "product": "Microsoft Exchange Server 2013 Cumulative Update 23",
  "url": "https://patchblox.com/security/product/microsoft/microsoft-exchange-server-2013-cumulative-update-23",
  "summary": "Patch Radar has 20 security fixes for Microsoft Exchange Server 2013 Cumulative Update 23, closing 57 CVEs, 14 of which are being exploited. The newest security fix is KB5023038, released February 14, 2023. This product is no longer supported.",
  "platform": "microsoft",
  "vendor": "Microsoft",
  "supported": false,
  "fixCount": 20,
  "cveCount": 57,
  "exploitedCveCount": 14,
  "unfixedCveCount": 0,
  "fixes": [
    {
      "fix": "KB5023038",
      "url": "https://patchblox.com/security/fix/microsoft/kb5023038",
      "released": "2023-02-14T14:00:00Z",
      "fixedVersion": "",
      "priority": "Patch now",
      "cveCount": 3,
      "exploitedCveCount": 1
    },
    {
      "fix": "KB5024296",
      "url": "https://patchblox.com/security/fix/microsoft/kb5024296",
      "released": "2023-02-14T14:00:00Z",
      "fixedVersion": "",
      "priority": "Urgent",
      "cveCount": 1,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB5022188",
      "url": "https://patchblox.com/security/fix/microsoft/kb5022188",
      "released": "2023-01-10T14:00:00Z",
      "fixedVersion": "",
      "priority": "High",
      "cveCount": 1,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB5019758",
      "url": "https://patchblox.com/security/fix/microsoft/kb5019758",
      "released": "2022-11-08T14:00:00Z",
      "fixedVersion": "",
      "priority": "Patch now",
      "cveCount": 6,
      "exploitedCveCount": 3
    },
    {
      "fix": "KB5019076",
      "url": "https://patchblox.com/security/fix/microsoft/kb5019076",
      "released": "2022-08-09T12:00:00Z",
      "fixedVersion": "",
      "priority": "Urgent",
      "cveCount": 5,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB5014260",
      "url": "https://patchblox.com/security/fix/microsoft/kb5014260",
      "released": "2022-05-10T12:00:00Z",
      "fixedVersion": "",
      "priority": "High",
      "cveCount": 1,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB5010324",
      "url": "https://patchblox.com/security/fix/microsoft/kb5010324",
      "released": "2022-03-08T14:00:00Z",
      "fixedVersion": "",
      "priority": "Urgent",
      "cveCount": 1,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB5008631",
      "url": "https://patchblox.com/security/fix/microsoft/kb5008631",
      "released": "2022-01-11T14:00:00Z",
      "fixedVersion": "",
      "priority": "Urgent",
      "cveCount": 3,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB5007409",
      "url": "https://patchblox.com/security/fix/microsoft/kb5007409",
      "released": "2021-11-09T14:00:00Z",
      "fixedVersion": "",
      "priority": "Patch now",
      "cveCount": 3,
      "exploitedCveCount": 1
    },
    {
      "fix": "KB5007011",
      "url": "https://patchblox.com/security/fix/microsoft/kb5007011",
      "released": "2021-10-12T12:00:00Z",
      "fixedVersion": "",
      "priority": "High",
      "cveCount": 1,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB5004778",
      "url": "https://patchblox.com/security/fix/microsoft/kb5004778",
      "released": "2021-07-13T12:00:00Z",
      "fixedVersion": "",
      "priority": "Patch now",
      "cveCount": 3,
      "exploitedCveCount": 1
    },
    {
      "fix": "KB5003435",
      "url": "https://patchblox.com/security/fix/microsoft/kb5003435",
      "released": "2021-05-11T12:00:00Z",
      "fixedVersion": "",
      "priority": "Patch now",
      "cveCount": 4,
      "exploitedCveCount": 1
    },
    {
      "fix": "KB5001779",
      "url": "https://patchblox.com/security/fix/microsoft/kb5001779",
      "released": "2021-04-13T12:00:00Z",
      "fixedVersion": "",
      "priority": "Patch now",
      "cveCount": 7,
      "exploitedCveCount": 3
    },
    {
      "fix": "KB5000871",
      "url": "https://patchblox.com/security/fix/microsoft/kb5000871",
      "released": "2021-03-10T14:00:00Z",
      "fixedVersion": "",
      "priority": "Patch now",
      "cveCount": 7,
      "exploitedCveCount": 4
    },
    {
      "fix": "KB4593466",
      "url": "https://patchblox.com/security/fix/microsoft/kb4593466",
      "released": "2020-12-08T14:00:00Z",
      "fixedVersion": "",
      "priority": "Urgent",
      "cveCount": 4,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB4588741",
      "url": "https://patchblox.com/security/fix/microsoft/kb4588741",
      "released": "2020-11-10T14:00:00Z",
      "fixedVersion": "",
      "priority": "High",
      "cveCount": 3,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB4581424",
      "url": "https://patchblox.com/security/fix/microsoft/kb4581424",
      "released": "2020-10-13T07:00:00Z",
      "fixedVersion": "",
      "priority": "High",
      "cveCount": 1,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB4536988",
      "url": "https://patchblox.com/security/fix/microsoft/kb4536988",
      "released": "2020-02-11T14:00:00Z",
      "fixedVersion": "",
      "priority": "Patch now",
      "cveCount": 2,
      "exploitedCveCount": 1
    },
    {
      "fix": "KB4523171",
      "url": "https://patchblox.com/security/fix/microsoft/kb4523171",
      "released": "2019-11-12T08:00:00Z",
      "fixedVersion": "",
      "priority": "Urgent",
      "cveCount": 1,
      "exploitedCveCount": 0
    },
    {
      "fix": "KB4509409",
      "url": "https://patchblox.com/security/fix/microsoft/kb4509409",
      "released": "2019-07-09T12:00:00Z",
      "fixedVersion": "",
      "priority": "High",
      "cveCount": 3,
      "exploitedCveCount": 0
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-12T07:53:35Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}