{
  "fix": "Microsoft Edge 150.0.4078.99",
  "url": "https://patchblox.com/security/fix/windows-app/microsoft.edge-150.0.4078.99",
  "summary": "Microsoft Edge 150.0.4078.99, released July 24, 2026, fixes 6 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 150.0.4078.99",
  "released": "2026-07-24T00:00:00Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2026-16806, high severity",
  "supported": true,
  "cveCount": 6,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00523,
  "maxCvss": 8.8,
  "appliesTo": [
    {
      "product": "Microsoft Edge",
      "productUrl": "https://patchblox.com/security/product/windows-app/microsoft-edge",
      "fixedVersion": "150.0.4078.99",
      "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-2026-16806",
      "url": "https://patchblox.com/security/cve/CVE-2026-16806",
      "title": "Chromium: CVE-2026-16806 Use after free in WebMCP",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00523,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-57989",
      "url": "https://patchblox.com/security/cve/CVE-2026-57989",
      "title": "Microsoft Edge (Chromium-based) Information Disclosure Vulnerability",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.4,
      "epss": 0.00429,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-16805",
      "url": "https://patchblox.com/security/cve/CVE-2026-16805",
      "title": "Chromium: CVE-2026-16805 Use after free in Blink",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00413,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-16807",
      "url": "https://patchblox.com/security/cve/CVE-2026-16807",
      "title": "Chromium: CVE-2026-16807 Out of bounds write in Codecs",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00345,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-16804",
      "url": "https://patchblox.com/security/cve/CVE-2026-16804",
      "title": "Chromium: CVE-2026-16804 Use after free in Input",
      "priority": "High",
      "severity": "high",
      "cvss": 8.3,
      "epss": 0.00304,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-57978",
      "url": "https://patchblox.com/security/cve/CVE-2026-57978",
      "title": "Microsoft Edge (Chromium-based) Spoofing Vulnerability",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 5.4,
      "epss": 0.00212,
      "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"
  }
}