{
  "fix": "Microsoft Edge Dev 131.0.2863.0",
  "url": "https://patchblox.com/security/fix/windows-app/microsoft.edge.dev-131.0.2863.0",
  "summary": "Microsoft Edge Dev 131.0.2863.0, released September 28, 2024, fixes 25 CVEs in Microsoft Edge Dev. None of them is reported as exploited. Patch Radar priority: High. The latest Microsoft Edge Dev is 159.0.4378.0, which also fixes every one of these CVEs.",
  "platform": "windows-app",
  "type": "app-version",
  "title": "Microsoft Edge Dev 131.0.2863.0",
  "released": "2024-09-28T00:00:00Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2024-9954, high severity",
  "supported": true,
  "cveCount": 25,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.0529,
  "maxCvss": 9.8,
  "appliesTo": [
    {
      "product": "Microsoft Edge Dev",
      "productUrl": "https://patchblox.com/security/product/windows-app/microsoft-edge-dev",
      "fixedVersion": "131.0.2863.0",
      "latestVersion": "159.0.4378.0",
      "supported": true
    }
  ],
  "supersededBy": {
    "product": "Microsoft Edge Dev",
    "latestVersion": "159.0.4378.0",
    "productUrl": "https://patchblox.com/security/product/windows-app/microsoft-edge-dev"
  },
  "cves": [
    {
      "cveId": "CVE-2024-9954",
      "url": "https://patchblox.com/security/cve/CVE-2024-9954",
      "title": "Chromium: CVE-2024-9954 Use after free in AI",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.0529,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-43566",
      "url": "https://patchblox.com/security/cve/CVE-2024-43566",
      "title": "Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.8,
      "epss": 0.0106,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-43595",
      "url": "https://patchblox.com/security/cve/CVE-2024-43595",
      "title": "Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.8,
      "epss": 0.01011,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-43596",
      "url": "https://patchblox.com/security/cve/CVE-2024-43596",
      "title": "Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.01011,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-9955",
      "url": "https://patchblox.com/security/cve/CVE-2024-9955",
      "title": "Chromium: CVE-2024-9955 Use after free in Web Authentication",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00966,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-43587",
      "url": "https://patchblox.com/security/cve/CVE-2024-43587",
      "title": "Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability",
      "priority": "High",
      "severity": "Low",
      "cvss": 8.1,
      "epss": 0.00891,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-10487",
      "url": "https://patchblox.com/security/cve/CVE-2024-10487",
      "title": "Chromium: CVE-2024-10487: Out of bounds write in Dawn",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00863,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-43578",
      "url": "https://patchblox.com/security/cve/CVE-2024-43578",
      "title": "Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.3,
      "epss": 0.00761,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-43579",
      "url": "https://patchblox.com/security/cve/CVE-2024-43579",
      "title": "Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.3,
      "epss": 0.00761,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-10230",
      "url": "https://patchblox.com/security/cve/CVE-2024-10230",
      "title": "Chromium: CVE -2024-10230 Type Confusion in V8",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00677,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-10827",
      "url": "https://patchblox.com/security/cve/CVE-2024-10827",
      "title": "Chromium: CVE-2024-10827 Use after free in Serial",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00673,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-10488",
      "url": "https://patchblox.com/security/cve/CVE-2024-10488",
      "title": "Chromium: CVE-2024-10488 Use after free in WebRTC",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00606,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-10229",
      "url": "https://patchblox.com/security/cve/CVE-2024-10229",
      "title": "Chromium: CVE -2024-10229 Inappropriate implementation in Extensions",
      "priority": "High",
      "severity": "high",
      "cvss": 8.1,
      "epss": 0.00531,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-10231",
      "url": "https://patchblox.com/security/cve/CVE-2024-10231",
      "title": "Chromium: CVE -2024-10231 Type Confusion in V8",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00524,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-9965",
      "url": "https://patchblox.com/security/cve/CVE-2024-9965",
      "title": "Chromium: CVE-2024-9965 Insufficient data validation in DevTools",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00488,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-9960",
      "url": "https://patchblox.com/security/cve/CVE-2024-9960",
      "title": "Chromium: CVE-2024-9960 Use after free in Dawn",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.00469,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-9959",
      "url": "https://patchblox.com/security/cve/CVE-2024-9959",
      "title": "Chromium: CVE-2024-9959 Use after free in DevTools",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00402,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-49023",
      "url": "https://patchblox.com/security/cve/CVE-2024-49023",
      "title": "Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 5.9,
      "epss": 0.00537,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-43577",
      "url": "https://patchblox.com/security/cve/CVE-2024-43577",
      "title": "Microsoft Edge (Chromium-based) Spoofing Vulnerability",
      "priority": "Routine",
      "severity": "Low",
      "cvss": 4.3,
      "epss": 0.00485,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-43580",
      "url": "https://patchblox.com/security/cve/CVE-2024-43580",
      "title": "Microsoft Edge (Chromium-based) Spoofing Vulnerability",
      "priority": "Routine",
      "severity": "Low",
      "cvss": 5.4,
      "epss": 0.00413,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-9966",
      "url": "https://patchblox.com/security/cve/CVE-2024-9966",
      "title": "Chromium: CVE-2024-9966 Inappropriate implementation in Navigations",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 5.3,
      "epss": 0.0039,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-9958",
      "url": "https://patchblox.com/security/cve/CVE-2024-9958",
      "title": "Chromium: CVE-2024-9958 Inappropriate implementation in PictureInPicture",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 4.3,
      "epss": 0.00339,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-9962",
      "url": "https://patchblox.com/security/cve/CVE-2024-9962",
      "title": "Chromium: CVE-2024-9962 Inappropriate implementation in Permissions",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 4.3,
      "epss": 0.00339,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-9963",
      "url": "https://patchblox.com/security/cve/CVE-2024-9963",
      "title": "Chromium: CVE-2024-9963 Insufficient data validation in Downloads",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 4.3,
      "epss": 0.00318,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-9964",
      "url": "https://patchblox.com/security/cve/CVE-2024-9964",
      "title": "Chromium: CVE-2024-9964 Inappropriate implementation in Payments",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 4.3,
      "epss": 0.00305,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-10T07:50:38Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}