{
  "fix": "Microsoft Edge WebView2 Runtime 125.0.2535.67",
  "url": "https://patchblox.com/security/fix/windows-app/microsoft.edgewebview2runtime-125.0.2535.67",
  "summary": "Microsoft Edge WebView2 Runtime 125.0.2535.67, released May 24, 2024, fixes 44 CVEs in Microsoft Edge WebView2 Runtime. 4 of them are being exploited (CVE-2024-4947); 4 on CISA KEV. Patch Radar priority: Patch now. The latest Microsoft Edge WebView2 Runtime is 157.0.4341.42, which also fixes every one of these CVEs.",
  "platform": "windows-app",
  "type": "app-version",
  "title": "Microsoft Edge WebView2 Runtime 125.0.2535.67",
  "released": "2024-05-24T00:00:00Z",
  "priority": "Patch now",
  "priorityTier": 1,
  "priorityReason": "Closes CVE-2024-4947, exploited (CISA KEV)",
  "supported": true,
  "cveCount": 44,
  "exploitedCveCount": 4,
  "kevCveCount": 4,
  "ransomwareCveCount": 0,
  "maxEpss": 0.17561,
  "maxCvss": 9.6,
  "appliesTo": [
    {
      "product": "Microsoft Edge WebView2 Runtime",
      "productUrl": "https://patchblox.com/security/product/windows-app/microsoft-edge-webview2-runtime",
      "fixedVersion": "125.0.2535.67",
      "latestVersion": "157.0.4341.42",
      "supported": true
    }
  ],
  "supersededBy": {
    "product": "Microsoft Edge WebView2 Runtime",
    "latestVersion": "157.0.4341.42",
    "productUrl": "https://patchblox.com/security/product/windows-app/microsoft-edge-webview2-runtime"
  },
  "cves": [
    {
      "cveId": "CVE-2024-4947",
      "url": "https://patchblox.com/security/cve/CVE-2024-4947",
      "title": "Chromium: CVE-2024-4947 Type Confusion in V8",
      "priority": "Patch now",
      "severity": "critical",
      "cvss": 9.6,
      "epss": 0.15236,
      "kev": true,
      "ransomware": false,
      "exploited": true,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-4761",
      "url": "https://patchblox.com/security/cve/CVE-2024-4761",
      "title": "Chromium: CVE-2024-4761 Out of bounds write in V8",
      "priority": "Patch now",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.11007,
      "kev": true,
      "ransomware": false,
      "exploited": true,
      "disclosed": false
    },
    {
      "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-2024-5274",
      "url": "https://patchblox.com/security/cve/CVE-2024-5274",
      "title": "Chromium: CVE-2024-5274 Type Confusion in V8",
      "priority": "Patch now",
      "severity": "critical",
      "cvss": 9.6,
      "epss": 0.0773,
      "kev": true,
      "ransomware": false,
      "exploited": true,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-3157",
      "url": "https://patchblox.com/security/cve/CVE-2024-3157",
      "title": "Chromium: CVE-2024-3157 Out of bounds write in Compositing",
      "priority": "Urgent",
      "severity": "critical",
      "cvss": 9.6,
      "epss": 0.00848,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-3833",
      "url": "https://patchblox.com/security/cve/CVE-2024-3833",
      "title": "Chromium: CVE-2024-3833 Object corruption in WebAssembly",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.17561,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-3156",
      "url": "https://patchblox.com/security/cve/CVE-2024-3156",
      "title": "Chromium: CVE-2024-3156 Inappropriate implementation in V8",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.12947,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-4058",
      "url": "https://patchblox.com/security/cve/CVE-2024-4058",
      "title": "Chromium: CVE-2024-4058 Type Confusion in ANGLE",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.08829,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-3832",
      "url": "https://patchblox.com/security/cve/CVE-2024-3832",
      "title": "Chromium: CVE-2024-3832 Object corruption in V8",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.01685,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-3159",
      "url": "https://patchblox.com/security/cve/CVE-2024-3159",
      "title": "Chromium: CVE-2024-3159 Out of bounds memory access in V8",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.01613,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-30056",
      "url": "https://patchblox.com/security/cve/CVE-2024-30056",
      "title": "Microsoft Edge (Chromium-based) Information Disclosure Vulnerability",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.1,
      "epss": 0.01553,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "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-2024-4331",
      "url": "https://patchblox.com/security/cve/CVE-2024-4331",
      "title": "Chromium: CVE-2024-4331 Use after free in Picture In Picture",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.01222,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-3834",
      "url": "https://patchblox.com/security/cve/CVE-2024-3834",
      "title": "Chromium: CVE-2024-3834 Use after free in Downloads",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.01197,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-3837",
      "url": "https://patchblox.com/security/cve/CVE-2024-3837",
      "title": "Chromium: CVE-2024-3837 Use after free in QUIC",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.01189,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-4368",
      "url": "https://patchblox.com/security/cve/CVE-2024-4368",
      "title": "Chromium: CVE-2024-4368 Use after free in Dawn",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.01082,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-3840",
      "url": "https://patchblox.com/security/cve/CVE-2024-3840",
      "title": "Chromium: CVE-2024-3840 Insufficient policy enforcement in Site Isolation",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.00853,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-5157",
      "url": "https://patchblox.com/security/cve/CVE-2024-5157",
      "title": "Chromium: CVE-2024-5157 Use after free in Scheduling",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00785,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-3158",
      "url": "https://patchblox.com/security/cve/CVE-2024-3158",
      "title": "Chromium: CVE-2024-3158 Use after free in Bookmarks",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.0078,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-5159",
      "url": "https://patchblox.com/security/cve/CVE-2024-5159",
      "title": "Chromium: CVE-2024-5159 Heap buffer overflow in ANGLE",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00643,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-5160",
      "url": "https://patchblox.com/security/cve/CVE-2024-5160",
      "title": "Chromium: CVE-2024-5160 Heap buffer overflow in Dawn",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00613,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-5158",
      "url": "https://patchblox.com/security/cve/CVE-2024-5158",
      "title": "Chromium: CVE-2024-5158 Type Confusion in V8",
      "priority": "High",
      "severity": "high",
      "cvss": 8.1,
      "epss": 0.00612,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-29987",
      "url": "https://patchblox.com/security/cve/CVE-2024-29987",
      "title": "Microsoft Edge (Chromium-based) Information Disclosure Vulnerability",
      "priority": "Routine",
      "severity": "Low",
      "cvss": 6.5,
      "epss": 0.01203,
      "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-2024-3516",
      "url": "https://patchblox.com/security/cve/CVE-2024-3516",
      "title": "Chromium: CVE-2024-3516 Heap buffer overflow in ANGLE",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 6.5,
      "epss": 0.01009,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-4060",
      "url": "https://patchblox.com/security/cve/CVE-2024-4060",
      "title": "Chromium: CVE-2024-4060 Use after free in Dawn",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 6.5,
      "epss": 0.00998,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-3914",
      "url": "https://patchblox.com/security/cve/CVE-2024-3914",
      "title": "Chromium: CVE-2024-3914 Use after free in V8",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 6.5,
      "epss": 0.0098,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-4948",
      "url": "https://patchblox.com/security/cve/CVE-2024-4948",
      "title": "Chromium: CVE-2024-4948 Use after free in Dawn",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 6.5,
      "epss": 0.00955,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-4949",
      "url": "https://patchblox.com/security/cve/CVE-2024-4949",
      "title": "Chromium: CVE-2024-4949 Use after free in V8",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 6.5,
      "epss": 0.00947,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-3846",
      "url": "https://patchblox.com/security/cve/CVE-2024-3846",
      "title": "Chromium: CVE-2024-3846 Inappropriate implementation in Prompts",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 4.3,
      "epss": 0.00917,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-4950",
      "url": "https://patchblox.com/security/cve/CVE-2024-4950",
      "title": "Chromium: CVE-2024-4950 Inappropriate implementation in Downloads",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 6.5,
      "epss": 0.00907,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-4059",
      "url": "https://patchblox.com/security/cve/CVE-2024-4059",
      "title": "Chromium: CVE-2024-4059 Out of bounds read in V8 API",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 6.5,
      "epss": 0.00895,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-3847",
      "url": "https://patchblox.com/security/cve/CVE-2024-3847",
      "title": "Chromium: CVE-2024-3847 Insufficient policy enforcement in WebUI",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 6.1,
      "epss": 0.00893,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-3845",
      "url": "https://patchblox.com/security/cve/CVE-2024-3845",
      "title": "Chromium: CVE-2024-3845 Inappropriate implementation in Network",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 4.3,
      "epss": 0.00853,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-3515",
      "url": "https://patchblox.com/security/cve/CVE-2024-3515",
      "title": "Chromium: CVE-2024-3515 Use after free in Dawn",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 6.5,
      "epss": 0.00779,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-3839",
      "url": "https://patchblox.com/security/cve/CVE-2024-3839",
      "title": "Chromium: CVE-2024-3839 Out of bounds read in Fonts",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 6.5,
      "epss": 0.0075,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-3841",
      "url": "https://patchblox.com/security/cve/CVE-2024-3841",
      "title": "Chromium: CVE-2024-3841 Insufficient data validation in Browser Switcher",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 6.1,
      "epss": 0.0072,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-3844",
      "url": "https://patchblox.com/security/cve/CVE-2024-3844",
      "title": "Chromium: CVE-2024-3844 Inappropriate implementation in Extensions",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 4.3,
      "epss": 0.00713,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-29981",
      "url": "https://patchblox.com/security/cve/CVE-2024-29981",
      "title": "Microsoft Edge (Chromium-based) Spoofing Vulnerability",
      "priority": "Routine",
      "severity": "Low",
      "cvss": 4.3,
      "epss": 0.00697,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-29049",
      "url": "https://patchblox.com/security/cve/CVE-2024-29049",
      "title": "Microsoft Edge (Chromium-based) Webview2 Spoofing Vulnerability",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 4.7,
      "epss": 0.00664,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-29991",
      "url": "https://patchblox.com/security/cve/CVE-2024-29991",
      "title": "Microsoft Edge (Chromium-based) Security Feature Bypass Vulnerability",
      "priority": "Routine",
      "severity": "Low",
      "cvss": 5,
      "epss": 0.00649,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-3843",
      "url": "https://patchblox.com/security/cve/CVE-2024-3843",
      "title": "Chromium: CVE-2024-3843 Insufficient data validation in Downloads",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 4.3,
      "epss": 0.00648,
      "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
    },
    {
      "cveId": "CVE-2024-3838",
      "url": "https://patchblox.com/security/cve/CVE-2024-3838",
      "title": "Chromium: CVE-2024-3838 Inappropriate implementation in Autofill",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 5.5,
      "epss": 0.00336,
      "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"
  }
}