{
  "fix": "Microsoft Edge 124.0.2478.97",
  "url": "https://patchblox.com/security/fix/windows-app/microsoft.edge-124.0.2478.97",
  "summary": "Microsoft Edge 124.0.2478.97, released May 10, 2024, fixes 4 CVEs in Microsoft Edge. One of them is being exploited (CVE-2024-4671); 1 on CISA KEV. Patch Radar priority: Patch now. 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 124.0.2478.97",
  "released": "2024-05-10T00:00:00Z",
  "priority": "Patch now",
  "priorityTier": 1,
  "priorityReason": "Closes CVE-2024-4671, exploited (CISA KEV)",
  "supported": true,
  "cveCount": 4,
  "exploitedCveCount": 1,
  "kevCveCount": 1,
  "ransomwareCveCount": 0,
  "maxEpss": 0.08348,
  "maxCvss": 9.6,
  "appliesTo": [
    {
      "product": "Microsoft Edge",
      "productUrl": "https://patchblox.com/security/product/windows-app/microsoft-edge",
      "fixedVersion": "124.0.2478.97",
      "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-2024-4671",
      "url": "https://patchblox.com/security/cve/CVE-2024-4671",
      "title": "Chromium: CVE-2024-4671 Use after free in Visuals",
      "priority": "Patch now",
      "severity": "critical",
      "cvss": 9.6,
      "epss": 0.08348,
      "kev": true,
      "ransomware": false,
      "exploited": true,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-4558",
      "url": "https://patchblox.com/security/cve/CVE-2024-4558",
      "title": "Chromium: CVE-2024-4558 Use after free in ANGLE",
      "priority": "High",
      "severity": "HIGH",
      "cvss": 9.6,
      "epss": 0.01533,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-4559",
      "url": "https://patchblox.com/security/cve/CVE-2024-4559",
      "title": "Chromium: CVE-2024-4559 Heap buffer overflow in WebAudio",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 6.5,
      "epss": 0.01187,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-30055",
      "url": "https://patchblox.com/security/cve/CVE-2024-30055",
      "title": "Microsoft Edge (Chromium-based) Spoofing Vulnerability",
      "priority": "Routine",
      "severity": "Low",
      "cvss": 5.4,
      "epss": 0.00626,
      "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"
  }
}