{
  "fix": "Microsoft Edge 117.0.2045.31",
  "url": "https://patchblox.com/security/fix/windows-app/microsoft.edge-117.0.2045.31",
  "summary": "Microsoft Edge 117.0.2045.31, released September 15, 2023, fixes 12 CVEs in Microsoft Edge. None of them is reported as exploited. Patch Radar priority: High. The latest Microsoft Edge is 156.0.4314.58, which also fixes every one of these CVEs.",
  "platform": "windows-app",
  "type": "app-version",
  "title": "Microsoft Edge 117.0.2045.31",
  "released": "2023-09-15T00:00:00Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2023-36735, high severity",
  "supported": true,
  "cveCount": 12,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.02117,
  "maxCvss": 9.6,
  "appliesTo": [
    {
      "product": "Microsoft Edge",
      "productUrl": "https://patchblox.com/security/product/windows-app/microsoft-edge",
      "fixedVersion": "117.0.2045.31",
      "latestVersion": "156.0.4314.58",
      "supported": true
    }
  ],
  "supersededBy": {
    "product": "Microsoft Edge",
    "latestVersion": "156.0.4314.58",
    "productUrl": "https://patchblox.com/security/product/windows-app/microsoft-edge"
  },
  "cves": [
    {
      "cveId": "CVE-2023-36735",
      "url": "https://patchblox.com/security/cve/CVE-2023-36735",
      "title": "Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 9.6,
      "epss": 0.02117,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-36562",
      "url": "https://patchblox.com/security/cve/CVE-2023-36562",
      "title": "Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.1,
      "epss": 0.01034,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-5186",
      "url": "https://patchblox.com/security/cve/CVE-2023-5186",
      "title": "Chromium: CVE-2023-5186 Use after free in Passwords",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00935,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-5187",
      "url": "https://patchblox.com/security/cve/CVE-2023-5187",
      "title": "Chromium: CVE-2023-5187 Use after free in Extensions",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00815,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-36727",
      "url": "https://patchblox.com/security/cve/CVE-2023-36727",
      "title": "Microsoft Edge (Chromium-based) Spoofing Vulnerability",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 6.1,
      "epss": 0.01042,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-4901",
      "url": "https://patchblox.com/security/cve/CVE-2023-4901",
      "title": "Chromium: CVE-2023-4901 Inappropriate implementation in Prompts",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 4.3,
      "epss": 0.00743,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-4905",
      "url": "https://patchblox.com/security/cve/CVE-2023-4905",
      "title": "Chromium: CVE-2023-4905 Inappropriate implementation in Prompts",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 4.3,
      "epss": 0.00706,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-4902",
      "url": "https://patchblox.com/security/cve/CVE-2023-4902",
      "title": "Chromium: CVE-2023-4902 Inappropriate implementation in Input",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 4.3,
      "epss": 0.00687,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-4906",
      "url": "https://patchblox.com/security/cve/CVE-2023-4906",
      "title": "Chromium: CVE-2023-4906 Insufficient policy enforcement in Autofill",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 4.3,
      "epss": 0.00655,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-4908",
      "url": "https://patchblox.com/security/cve/CVE-2023-4908",
      "title": "Chromium: CVE-2023-4908 Inappropriate implementation in Picture in Picture",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 4.3,
      "epss": 0.0064,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-4909",
      "url": "https://patchblox.com/security/cve/CVE-2023-4909",
      "title": "Chromium: CVE-2023-4909 Inappropriate implementation in Interstitials",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 4.3,
      "epss": 0.0064,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-4904",
      "url": "https://patchblox.com/security/cve/CVE-2023-4904",
      "title": "Chromium: CVE-2023-4904 Insufficient policy enforcement in Downloads",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 4.3,
      "epss": 0.00638,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-11T07:45:43Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}