{
  "product": "Microsoft Teams Classic",
  "url": "https://patchblox.com/security/product/windows-app/microsoft-teams-classic",
  "summary": "The latest version of Microsoft Teams Classic is 1.8.00.27654, released October 3, 2025. Patch Radar has 2 security fixes for Microsoft Teams Classic, closing 3 CVEs, 1 of which is being exploited. The newest security fix is Microsoft Teams Classic 1.6.00.26474, released September 22, 2023. Version 1.8.00.27654 adds no new CVE fixes and includes all of them. 3 CVEs have no fix yet.",
  "platform": "windows-app",
  "vendor": "Microsoft",
  "supported": true,
  "latestVersion": "1.8.00.27654",
  "latestReleased": "2025-10-03T00:00:00Z",
  "latestIncludesAllFixes": true,
  "fixCount": 2,
  "cveCount": 3,
  "exploitedCveCount": 1,
  "unfixedCveCount": 3,
  "fixes": [
    {
      "fix": "Microsoft Teams Classic 1.6.00.26474",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.teams.classic-1.6.00.26474",
      "released": "2023-09-22T00:00:00Z",
      "fixedVersion": "1.6.00.26474",
      "priority": "Patch now",
      "cveCount": 1,
      "exploitedCveCount": 1
    },
    {
      "fix": "Microsoft Teams Classic 1.6.00.20074",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.teams.classic-1.6.00.20074",
      "released": "2023-07-19T00:00:00Z",
      "fixedVersion": "1.6.00.20074",
      "priority": "Urgent",
      "cveCount": 2,
      "exploitedCveCount": 0
    }
  ],
  "noFixYet": [
    {
      "cveId": "CVE-2025-53783",
      "url": "https://patchblox.com/security/cve/CVE-2025-53783",
      "title": "Microsoft Teams Remote Code Execution Vulnerability",
      "priority": "High",
      "status": "no-fix",
      "affectedVersion": "1.8.00.27654"
    },
    {
      "cveId": "CVE-2020-10146",
      "url": "https://patchblox.com/security/cve/CVE-2020-10146",
      "title": "Microsoft Teams displayName stored cross-site scripting vulnerability",
      "priority": "Routine",
      "status": "no-fix",
      "affectedVersion": "1.8.00.27654"
    },
    {
      "cveId": "CVE-2023-24881",
      "url": "https://patchblox.com/security/cve/CVE-2023-24881",
      "title": "Microsoft Teams Information Disclosure Vulnerability",
      "priority": "Routine",
      "status": "no-fix",
      "affectedVersion": "1.8.00.27654"
    }
  ],
  "dataAsOf": "2026-11-10T20:03:11Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}