{
  "fix": "Microsoft Edge 150.0.4078.83",
  "url": "https://patchblox.com/security/fix/windows-app/microsoft.edge-150.0.4078.83",
  "summary": "Microsoft Edge 150.0.4078.83, released July 17, 2026, fixes 16 CVEs in Microsoft Edge. None of them is reported as exploited. Patch Radar priority: Urgent. 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 150.0.4078.83",
  "released": "2026-07-17T00:00:00Z",
  "priority": "Urgent",
  "priorityTier": 2,
  "priorityReason": "Closes CVE-2026-15901, rated Critical",
  "supported": true,
  "cveCount": 16,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00499,
  "maxCvss": 9.6,
  "appliesTo": [
    {
      "product": "Microsoft Edge",
      "productUrl": "https://patchblox.com/security/product/windows-app/microsoft-edge",
      "fixedVersion": "150.0.4078.83",
      "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-2026-15773",
      "url": "https://patchblox.com/security/cve/CVE-2026-15773",
      "title": "Chromium: CVE-2026-15773 Use after free in Core",
      "priority": "Urgent",
      "severity": "critical",
      "cvss": 9.6,
      "epss": 0.00345,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-15901",
      "url": "https://patchblox.com/security/cve/CVE-2026-15901",
      "title": "Chromium: CVE-2026-15901 Use after free in Network",
      "priority": "Urgent",
      "severity": "critical",
      "cvss": 9.6,
      "epss": 0.00345,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-15776",
      "url": "https://patchblox.com/security/cve/CVE-2026-15776",
      "title": "Chromium: CVE-2026-15776 Type Confusion in V8",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00499,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-15767",
      "url": "https://patchblox.com/security/cve/CVE-2026-15767",
      "title": "Chromium: CVE-2026-15767 Heap buffer overflow in libyuv",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00418,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-15902",
      "url": "https://patchblox.com/security/cve/CVE-2026-15902",
      "title": "Chromium: CVE-2026-15902 Use after free in Cast",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00413,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-15903",
      "url": "https://patchblox.com/security/cve/CVE-2026-15903",
      "title": "Chromium: CVE-2026-15903 Out of bounds read and write in V8",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00413,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-15766",
      "url": "https://patchblox.com/security/cve/CVE-2026-15766",
      "title": "Chromium: CVE-2026-15766 Uninitialized Use in Skia",
      "priority": "High",
      "severity": "medium",
      "cvss": 9.6,
      "epss": 0.00403,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-15765",
      "url": "https://patchblox.com/security/cve/CVE-2026-15765",
      "title": "Chromium: CVE-2026-15765 Use after free in Ozone",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.00304,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-15774",
      "url": "https://patchblox.com/security/cve/CVE-2026-15774",
      "title": "Chromium: CVE-2026-15774 Use after free in Skia",
      "priority": "High",
      "severity": "high",
      "cvss": 9.6,
      "epss": 0.00291,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-15905",
      "url": "https://patchblox.com/security/cve/CVE-2026-15905",
      "title": "Chromium: CVE-2026-15905 Use after free in Aura",
      "priority": "High",
      "severity": "high",
      "cvss": 7.8,
      "epss": 0.00137,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-57980",
      "url": "https://patchblox.com/security/cve/CVE-2026-57980",
      "title": "Microsoft Edge (Chromium-based) Tampering Vulnerability",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 5.4,
      "epss": 0.00392,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-15770",
      "url": "https://patchblox.com/security/cve/CVE-2026-15770",
      "title": "Chromium: CVE-2026-15770 Uninitialized Use in V8",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 6.5,
      "epss": 0.00347,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-15771",
      "url": "https://patchblox.com/security/cve/CVE-2026-15771",
      "title": "Chromium: CVE-2026-15771 Insufficient validation of untrusted input in Media",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 5.3,
      "epss": 0.00302,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-15778",
      "url": "https://patchblox.com/security/cve/CVE-2026-15778",
      "title": "Chromium: CVE-2026-15778 Insufficient validation of untrusted input in Navigation",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 6.5,
      "epss": 0.00297,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-15768",
      "url": "https://patchblox.com/security/cve/CVE-2026-15768",
      "title": "Chromium: CVE-2026-15768 Insufficient policy enforcement in HTML-in-Canvas",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 6.5,
      "epss": 0.00238,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-15775",
      "url": "https://patchblox.com/security/cve/CVE-2026-15775",
      "title": "Chromium: CVE-2026-15775 Insufficient policy enforcement in V8",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 6.5,
      "epss": 0.00238,
      "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"
  }
}