{
  "fix": "Microsoft Edge 151.0.4129.78",
  "url": "https://patchblox.com/security/fix/macos/com.microsoft.edgemac-151.0.4129.78",
  "summary": "Microsoft Edge 151.0.4129.78, released August 9, 2026, fixes 28 CVEs in Microsoft Edge. None of them is reported as exploited. Patch Radar priority: Urgent. The latest Microsoft Edge is 157.0.4341.42, which also fixes every one of these CVEs.",
  "platform": "macos",
  "type": "app-version",
  "title": "Microsoft Edge 151.0.4129.78",
  "released": "2026-08-09T15:28:39Z",
  "priority": "Urgent",
  "priorityTier": 2,
  "priorityReason": "Closes CVE-2026-19166, rated Critical",
  "supported": true,
  "cveCount": 28,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00527,
  "maxCvss": 9.6,
  "appliesTo": [
    {
      "product": "Microsoft Edge",
      "productUrl": "https://patchblox.com/security/product/macos/microsoft-edge",
      "fixedVersion": "151.0.4129.78",
      "latestVersion": "157.0.4341.42",
      "supported": true
    }
  ],
  "supersededBy": {
    "product": "Microsoft Edge",
    "latestVersion": "157.0.4341.42",
    "productUrl": "https://patchblox.com/security/product/macos/microsoft-edge"
  },
  "cves": [
    {
      "cveId": "CVE-2026-19166",
      "url": "https://patchblox.com/security/cve/CVE-2026-19166",
      "title": "CVE-2026-19166 Use after free in Web Authentication",
      "priority": "Urgent",
      "severity": "critical",
      "cvss": 9.6,
      "epss": 0.00393,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-19164",
      "url": "https://patchblox.com/security/cve/CVE-2026-19164",
      "title": "CVE-2026-19164 Insufficient validation of untrusted input in Codecs",
      "priority": "Urgent",
      "severity": "critical",
      "cvss": 9.6,
      "epss": 0.00345,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-19175",
      "url": "https://patchblox.com/security/cve/CVE-2026-19175",
      "title": "CVE-2026-19175 Use after free in Payments",
      "priority": "Urgent",
      "severity": "critical",
      "cvss": 9.6,
      "epss": 0.00345,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-19176",
      "url": "https://patchblox.com/security/cve/CVE-2026-19176",
      "title": "CVE-2026-19176 Use after free in Skia",
      "priority": "High",
      "severity": "high",
      "cvss": 9.6,
      "epss": 0.00527,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-19145",
      "url": "https://patchblox.com/security/cve/CVE-2026-19145",
      "title": "CVE-2026-19145 Use after free in Translate",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00413,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-19150",
      "url": "https://patchblox.com/security/cve/CVE-2026-19150",
      "title": "CVE-2026-19150 Inappropriate implementation in V8",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00413,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-19151",
      "url": "https://patchblox.com/security/cve/CVE-2026-19151",
      "title": "CVE-2026-19151 Use after free in V8",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00413,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-19162",
      "url": "https://patchblox.com/security/cve/CVE-2026-19162",
      "title": "CVE-2026-19162 Out of bounds write in V8",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00413,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-19168",
      "url": "https://patchblox.com/security/cve/CVE-2026-19168",
      "title": "CVE-2026-19168 Inappropriate implementation in V8",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00413,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-19174",
      "url": "https://patchblox.com/security/cve/CVE-2026-19174",
      "title": "CVE-2026-19174 Integer overflow in V8",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00413,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-19160",
      "url": "https://patchblox.com/security/cve/CVE-2026-19160",
      "title": "CVE-2026-19160 Uninitialized Use in Skia",
      "priority": "High",
      "severity": "low",
      "cvss": 9.6,
      "epss": 0.00399,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-19144",
      "url": "https://patchblox.com/security/cve/CVE-2026-19144",
      "title": "CVE-2026-19144 Use after free in HTML",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00345,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-19169",
      "url": "https://patchblox.com/security/cve/CVE-2026-19169",
      "title": "CVE-2026-19169 Insufficient validation of untrusted input in Contextual Tasks",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00345,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-19173",
      "url": "https://patchblox.com/security/cve/CVE-2026-19173",
      "title": "CVE-2026-19173 Out of bounds write in Skia",
      "priority": "High",
      "severity": "high",
      "cvss": 9.6,
      "epss": 0.00342,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-19161",
      "url": "https://patchblox.com/security/cve/CVE-2026-19161",
      "title": "CVE-2026-19161 Uninitialized Use in Skia",
      "priority": "High",
      "severity": "low",
      "cvss": 9.6,
      "epss": 0.00338,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-19153",
      "url": "https://patchblox.com/security/cve/CVE-2026-19153",
      "title": "CVE-2026-19153 Insufficient validation of untrusted input in Workers",
      "priority": "High",
      "severity": "high",
      "cvss": 8.1,
      "epss": 0.00329,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-19138",
      "url": "https://patchblox.com/security/cve/CVE-2026-19138",
      "title": "CVE-2026-19138 Heap buffer overflow in CrashReporting",
      "priority": "High",
      "severity": "high",
      "cvss": 8.3,
      "epss": 0.00328,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-19177",
      "url": "https://patchblox.com/security/cve/CVE-2026-19177",
      "title": "CVE-2026-19177 Insufficient validation of untrusted input in UI",
      "priority": "High",
      "severity": "high",
      "cvss": 8.3,
      "epss": 0.00324,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-19140",
      "url": "https://patchblox.com/security/cve/CVE-2026-19140",
      "title": "CVE-2026-19140 Use after free in GPU",
      "priority": "High",
      "severity": "high",
      "cvss": 8.3,
      "epss": 0.00304,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-19152",
      "url": "https://patchblox.com/security/cve/CVE-2026-19152",
      "title": "CVE-2026-19152 Inappropriate implementation in Navigation",
      "priority": "High",
      "severity": "high",
      "cvss": 8.3,
      "epss": 0.00304,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-19155",
      "url": "https://patchblox.com/security/cve/CVE-2026-19155",
      "title": "CVE-2026-19155 Use after free in Payments",
      "priority": "High",
      "severity": "high",
      "cvss": 8.3,
      "epss": 0.00304,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-19172",
      "url": "https://patchblox.com/security/cve/CVE-2026-19172",
      "title": "CVE-2026-19172 Use after free in Views",
      "priority": "High",
      "severity": "high",
      "cvss": 8.3,
      "epss": 0.00304,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-19142",
      "url": "https://patchblox.com/security/cve/CVE-2026-19142",
      "title": "CVE-2026-19142 Use after free in Views",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.00304,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-19159",
      "url": "https://patchblox.com/security/cve/CVE-2026-19159",
      "title": "CVE-2026-19159 Use after free in Views",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.00304,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-19165",
      "url": "https://patchblox.com/security/cve/CVE-2026-19165",
      "title": "CVE-2026-19165 Use after free in Extensions",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.00266,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-19156",
      "url": "https://patchblox.com/security/cve/CVE-2026-19156",
      "title": "CVE-2026-19156 Heap buffer overflow in Base",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.0025,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-70339",
      "url": "https://patchblox.com/security/cve/CVE-2026-70339",
      "title": "Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 5.4,
      "epss": 0.00413,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-19167",
      "url": "https://patchblox.com/security/cve/CVE-2026-19167",
      "title": "CVE-2026-19167 Integer overflow in GPU",
      "priority": "Routine",
      "severity": "low",
      "cvss": 3.1,
      "epss": 0.0023,
      "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"
  }
}