{
  "fix": "Microsoft Edge 116.0.1938.54",
  "url": "https://patchblox.com/security/fix/windows-app/microsoft.edge-116.0.1938.54",
  "summary": "Microsoft Edge 116.0.1938.54, released August 21, 2023, fixes 18 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 116.0.1938.54",
  "released": "2023-08-21T00:00:00Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2023-4357, high severity",
  "supported": true,
  "cveCount": 18,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.47122,
  "maxCvss": 8.8,
  "appliesTo": [
    {
      "product": "Microsoft Edge",
      "productUrl": "https://patchblox.com/security/product/windows-app/microsoft-edge",
      "fixedVersion": "116.0.1938.54",
      "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-2023-4357",
      "url": "https://patchblox.com/security/cve/CVE-2023-4357",
      "title": "Chromium: CVE-2023-4357 Insufficient validation of untrusted input in XML",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.47122,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-4355",
      "url": "https://patchblox.com/security/cve/CVE-2023-4355",
      "title": "Chromium: CVE-2023-4355 Out of bounds memory access in V8",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.27695,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-4362",
      "url": "https://patchblox.com/security/cve/CVE-2023-4362",
      "title": "Chromium: CVE-2023-4362 Heap buffer overflow in Mojom IDL",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.19091,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-36787",
      "url": "https://patchblox.com/security/cve/CVE-2023-36787",
      "title": "Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.8,
      "epss": 0.01976,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-4352",
      "url": "https://patchblox.com/security/cve/CVE-2023-4352",
      "title": "Chromium: CVE-2023-4352 Type Confusion in V8",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.01841,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-4354",
      "url": "https://patchblox.com/security/cve/CVE-2023-4354",
      "title": "Chromium: CVE-2023-4354 Heap buffer overflow in Skia",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.01654,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-4353",
      "url": "https://patchblox.com/security/cve/CVE-2023-4353",
      "title": "Chromium: CVE-2023-4353 Heap buffer overflow in ANGLE",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00957,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-4349",
      "url": "https://patchblox.com/security/cve/CVE-2023-4349",
      "title": "Chromium: CVE-2023-4349 Use after free in Device Trust Connectors",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.0086,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-4351",
      "url": "https://patchblox.com/security/cve/CVE-2023-4351",
      "title": "Chromium: CVE-2023-4351 Use after free in Network",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.0086,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-4356",
      "url": "https://patchblox.com/security/cve/CVE-2023-4356",
      "title": "Chromium: CVE-2023-4356 Use after free in Audio",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.0086,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-4358",
      "url": "https://patchblox.com/security/cve/CVE-2023-4358",
      "title": "Chromium: CVE-2023-4358 Use after free in DNS",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.0086,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-4368",
      "url": "https://patchblox.com/security/cve/CVE-2023-4368",
      "title": "Chromium: CVE-2023-4368 Insufficient policy enforcement in Extensions API",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00688,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-4366",
      "url": "https://patchblox.com/security/cve/CVE-2023-4366",
      "title": "Chromium: CVE-2023-4366 Use after free in Extensions",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00669,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-38158",
      "url": "https://patchblox.com/security/cve/CVE-2023-38158",
      "title": "Microsoft Edge (Chromium-based) Information Disclosure Vulnerability",
      "priority": "Routine",
      "severity": "Low",
      "cvss": 3.1,
      "epss": 0.01347,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-4360",
      "url": "https://patchblox.com/security/cve/CVE-2023-4360",
      "title": "Chromium: CVE-2023-4360 Inappropriate implementation in Color",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 4.3,
      "epss": 0.00681,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-4364",
      "url": "https://patchblox.com/security/cve/CVE-2023-4364",
      "title": "Chromium: CVE-2023-4364 Inappropriate implementation in Permission Prompts",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 4.3,
      "epss": 0.00681,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-4365",
      "url": "https://patchblox.com/security/cve/CVE-2023-4365",
      "title": "Chromium: CVE-2023-4365 Inappropriate implementation in Fullscreen",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 4.3,
      "epss": 0.00681,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-4367",
      "url": "https://patchblox.com/security/cve/CVE-2023-4367",
      "title": "Chromium: CVE-2023-4367 Insufficient policy enforcement in Extensions API",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 6.5,
      "epss": 0.0064,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-11T13:47:35Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}