{
  "fix": "Microsoft Edge 124.0.2478.51",
  "url": "https://patchblox.com/security/fix/windows-app/microsoft.edge-124.0.2478.51",
  "summary": "Microsoft Edge 124.0.2478.51, released April 18, 2024, fixes 16 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 124.0.2478.51",
  "released": "2024-04-18T00:00:00Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2024-3833, high severity",
  "supported": true,
  "cveCount": 16,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.17561,
  "maxCvss": 8.8,
  "appliesTo": [
    {
      "product": "Microsoft Edge",
      "productUrl": "https://patchblox.com/security/product/windows-app/microsoft-edge",
      "fixedVersion": "124.0.2478.51",
      "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-2024-3833",
      "url": "https://patchblox.com/security/cve/CVE-2024-3833",
      "title": "Chromium: CVE-2024-3833 Object corruption in WebAssembly",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.17561,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-3832",
      "url": "https://patchblox.com/security/cve/CVE-2024-3832",
      "title": "Chromium: CVE-2024-3832 Object corruption in V8",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.01685,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-3834",
      "url": "https://patchblox.com/security/cve/CVE-2024-3834",
      "title": "Chromium: CVE-2024-3834 Use after free in Downloads",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.01197,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-3837",
      "url": "https://patchblox.com/security/cve/CVE-2024-3837",
      "title": "Chromium: CVE-2024-3837 Use after free in QUIC",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.01189,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-3840",
      "url": "https://patchblox.com/security/cve/CVE-2024-3840",
      "title": "Chromium: CVE-2024-3840 Insufficient policy enforcement in Site Isolation",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.00853,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-29987",
      "url": "https://patchblox.com/security/cve/CVE-2024-29987",
      "title": "Microsoft Edge (Chromium-based) Information Disclosure Vulnerability",
      "priority": "Routine",
      "severity": "Low",
      "cvss": 6.5,
      "epss": 0.01203,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-3914",
      "url": "https://patchblox.com/security/cve/CVE-2024-3914",
      "title": "Chromium: CVE-2024-3914 Use after free in V8",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 6.5,
      "epss": 0.0098,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-3846",
      "url": "https://patchblox.com/security/cve/CVE-2024-3846",
      "title": "Chromium: CVE-2024-3846 Inappropriate implementation in Prompts",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 4.3,
      "epss": 0.00917,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-3847",
      "url": "https://patchblox.com/security/cve/CVE-2024-3847",
      "title": "Chromium: CVE-2024-3847 Insufficient policy enforcement in WebUI",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 6.1,
      "epss": 0.00893,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-3845",
      "url": "https://patchblox.com/security/cve/CVE-2024-3845",
      "title": "Chromium: CVE-2024-3845 Inappropriate implementation in Network",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 4.3,
      "epss": 0.00853,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-3839",
      "url": "https://patchblox.com/security/cve/CVE-2024-3839",
      "title": "Chromium: CVE-2024-3839 Out of bounds read in Fonts",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 6.5,
      "epss": 0.0075,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-3841",
      "url": "https://patchblox.com/security/cve/CVE-2024-3841",
      "title": "Chromium: CVE-2024-3841 Insufficient data validation in Browser Switcher",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 6.1,
      "epss": 0.0072,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-3844",
      "url": "https://patchblox.com/security/cve/CVE-2024-3844",
      "title": "Chromium: CVE-2024-3844 Inappropriate implementation in Extensions",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 4.3,
      "epss": 0.00713,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-29991",
      "url": "https://patchblox.com/security/cve/CVE-2024-29991",
      "title": "Microsoft Edge (Chromium-based) Security Feature Bypass Vulnerability",
      "priority": "Routine",
      "severity": "Low",
      "cvss": 5,
      "epss": 0.00649,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-3843",
      "url": "https://patchblox.com/security/cve/CVE-2024-3843",
      "title": "Chromium: CVE-2024-3843 Insufficient data validation in Downloads",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 4.3,
      "epss": 0.00648,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-3838",
      "url": "https://patchblox.com/security/cve/CVE-2024-3838",
      "title": "Chromium: CVE-2024-3838 Inappropriate implementation in Autofill",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 5.5,
      "epss": 0.00336,
      "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"
  }
}