{
  "product": "Microsoft Edge WebView2 Runtime",
  "url": "https://patchblox.com/security/product/windows-app/microsoft-edge-webview2-runtime",
  "summary": "The latest version of Microsoft Edge WebView2 Runtime is 157.0.4341.42, released November 5, 2026. Patch Radar has 123 security fixes for Microsoft Edge WebView2 Runtime, closing 3,300 CVEs, 22 of which are being exploited. The newest security fix is Microsoft Edge WebView2 Runtime 156.0.4314.58, released October 30, 2026. Version 157.0.4341.42 adds no new CVE fixes and includes all of them.",
  "platform": "windows-app",
  "vendor": "Microsoft",
  "supported": true,
  "latestVersion": "157.0.4341.42",
  "latestReleased": "2026-11-05T00:00:00Z",
  "latestIncludesAllFixes": true,
  "fixCount": 123,
  "cveCount": 3300,
  "exploitedCveCount": 22,
  "unfixedCveCount": 0,
  "fixes": [
    {
      "fix": "Microsoft Edge WebView2 Runtime 156.0.4314.58",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edgewebview2runtime-156.0.4314.58",
      "released": "2026-10-30T00:00:00Z",
      "fixedVersion": "156.0.4314.58",
      "priority": "Urgent",
      "cveCount": 21,
      "exploitedCveCount": 0
    },
    {
      "fix": "Microsoft Edge WebView2 Runtime 156.0.4314.56",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edgewebview2runtime-156.0.4314.56",
      "released": "2026-10-29T00:00:00Z",
      "fixedVersion": "156.0.4314.56",
      "priority": "Urgent",
      "cveCount": 47,
      "exploitedCveCount": 0
    },
    {
      "fix": "Microsoft Edge WebView2 Runtime 156.0.4314.50",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edgewebview2runtime-156.0.4314.50",
      "released": "2026-10-26T00:00:00Z",
      "fixedVersion": "156.0.4314.50",
      "priority": "High",
      "cveCount": 1,
      "exploitedCveCount": 0
    },
    {
      "fix": "Microsoft Edge WebView2 Runtime 156.0.4314.42",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edgewebview2runtime-156.0.4314.42",
      "released": "2026-10-22T00:00:00Z",
      "fixedVersion": "156.0.4314.42",
      "priority": "Urgent",
      "cveCount": 292,
      "exploitedCveCount": 0
    },
    {
      "fix": "Microsoft Edge WebView2 Runtime 155.0.4283.62",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edgewebview2runtime-155.0.4283.62",
      "released": "2026-10-16T00:00:00Z",
      "fixedVersion": "155.0.4283.62",
      "priority": "High",
      "cveCount": 5,
      "exploitedCveCount": 0
    },
    {
      "fix": "Microsoft Edge WebView2 Runtime 155.0.4283.60",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edgewebview2runtime-155.0.4283.60",
      "released": "2026-10-15T00:00:00Z",
      "fixedVersion": "155.0.4283.60",
      "priority": "Urgent",
      "cveCount": 38,
      "exploitedCveCount": 0
    },
    {
      "fix": "Microsoft Edge WebView2 Runtime 155.0.4283.45",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edgewebview2runtime-155.0.4283.45",
      "released": "2026-10-08T00:00:00Z",
      "fixedVersion": "155.0.4283.45",
      "priority": "Urgent",
      "cveCount": 182,
      "exploitedCveCount": 0
    },
    {
      "fix": "Microsoft Edge WebView2 Runtime 154.0.4258.62",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edgewebview2runtime-154.0.4258.62",
      "released": "2026-10-05T00:00:00Z",
      "fixedVersion": "154.0.4258.62",
      "priority": "Patch now",
      "cveCount": 13,
      "exploitedCveCount": 1
    },
    {
      "fix": "Microsoft Edge WebView2 Runtime 154.0.4258.53",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edgewebview2runtime-154.0.4258.53",
      "released": "2026-10-01T00:00:00Z",
      "fixedVersion": "154.0.4258.53",
      "priority": "High",
      "cveCount": 25,
      "exploitedCveCount": 0
    },
    {
      "fix": "Microsoft Edge WebView2 Runtime 154.0.4258.48",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edgewebview2runtime-154.0.4258.48",
      "released": "2026-09-29T00:00:00Z",
      "fixedVersion": "154.0.4258.48",
      "priority": "Urgent",
      "cveCount": 59,
      "exploitedCveCount": 0
    },
    {
      "fix": "Microsoft Edge WebView2 Runtime 154.0.4258.37",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edgewebview2runtime-154.0.4258.37",
      "released": "2026-09-24T00:00:00Z",
      "fixedVersion": "154.0.4258.37",
      "priority": "Urgent",
      "cveCount": 31,
      "exploitedCveCount": 0
    },
    {
      "fix": "Microsoft Edge WebView2 Runtime 153.0.4234.48",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edgewebview2runtime-153.0.4234.48",
      "released": "2026-09-18T00:00:00Z",
      "fixedVersion": "153.0.4234.48",
      "priority": "Urgent",
      "cveCount": 13,
      "exploitedCveCount": 0
    },
    {
      "fix": "Microsoft Edge WebView2 Runtime 153.0.4234.46",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edgewebview2runtime-153.0.4234.46",
      "released": "2026-09-17T00:00:00Z",
      "fixedVersion": "153.0.4234.46",
      "priority": "Patch now",
      "cveCount": 230,
      "exploitedCveCount": 1
    },
    {
      "fix": "Microsoft Edge WebView2 Runtime 152.0.4191.66",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edgewebview2runtime-152.0.4191.66",
      "released": "2026-09-04T00:00:00Z",
      "fixedVersion": "152.0.4191.66",
      "priority": "Urgent",
      "cveCount": 9,
      "exploitedCveCount": 0
    },
    {
      "fix": "Microsoft Edge WebView2 Runtime 152.0.4191.62",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edgewebview2runtime-152.0.4191.62",
      "released": "2026-09-02T00:00:00Z",
      "fixedVersion": "152.0.4191.62",
      "priority": "Patch now",
      "cveCount": 22,
      "exploitedCveCount": 1
    },
    {
      "fix": "Microsoft Edge WebView2 Runtime 152.0.4191.53",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edgewebview2runtime-152.0.4191.53",
      "released": "2026-08-28T00:00:00Z",
      "fixedVersion": "152.0.4191.53",
      "priority": "Urgent",
      "cveCount": 280,
      "exploitedCveCount": 0
    },
    {
      "fix": "Microsoft Edge WebView2 Runtime 151.0.4129.107",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edgewebview2runtime-151.0.4129.107",
      "released": "2026-08-24T00:00:00Z",
      "fixedVersion": "151.0.4129.107",
      "priority": "High",
      "cveCount": 7,
      "exploitedCveCount": 0
    },
    {
      "fix": "Microsoft Edge WebView2 Runtime 151.0.4129.101",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edgewebview2runtime-151.0.4129.101",
      "released": "2026-08-20T00:00:00Z",
      "fixedVersion": "151.0.4129.101",
      "priority": "High",
      "cveCount": 10,
      "exploitedCveCount": 0
    },
    {
      "fix": "Microsoft Edge WebView2 Runtime 151.0.4129.86",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edgewebview2runtime-151.0.4129.86",
      "released": "2026-08-14T00:00:00Z",
      "fixedVersion": "151.0.4129.86",
      "priority": "High",
      "cveCount": 5,
      "exploitedCveCount": 0
    },
    {
      "fix": "Microsoft Edge WebView2 Runtime 151.0.4129.78",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edgewebview2runtime-151.0.4129.78",
      "released": "2026-08-10T00:00:00Z",
      "fixedVersion": "151.0.4129.78",
      "priority": "Urgent",
      "cveCount": 32,
      "exploitedCveCount": 0
    },
    {
      "fix": "Microsoft Edge WebView2 Runtime 151.0.4129.59",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edgewebview2runtime-151.0.4129.59",
      "released": "2026-07-31T00:00:00Z",
      "fixedVersion": "151.0.4129.59",
      "priority": "Urgent",
      "cveCount": 274,
      "exploitedCveCount": 0
    },
    {
      "fix": "Microsoft Edge WebView2 Runtime 150.0.4078.99",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edgewebview2runtime-150.0.4078.99",
      "released": "2026-07-24T00:00:00Z",
      "fixedVersion": "150.0.4078.99",
      "priority": "High",
      "cveCount": 6,
      "exploitedCveCount": 0
    },
    {
      "fix": "Microsoft Edge WebView2 Runtime 150.0.4078.96",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edgewebview2runtime-150.0.4078.96",
      "released": "2026-07-23T00:00:00Z",
      "fixedVersion": "150.0.4078.96",
      "priority": "Urgent",
      "cveCount": 9,
      "exploitedCveCount": 0
    },
    {
      "fix": "Microsoft Edge WebView2 Runtime 150.0.4078.83",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edgewebview2runtime-150.0.4078.83",
      "released": "2026-07-17T00:00:00Z",
      "fixedVersion": "150.0.4078.83",
      "priority": "Urgent",
      "cveCount": 16,
      "exploitedCveCount": 0
    },
    {
      "fix": "Microsoft Edge WebView2 Runtime 150.0.4078.65",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edgewebview2runtime-150.0.4078.65",
      "released": "2026-07-09T00:00:00Z",
      "fixedVersion": "150.0.4078.65",
      "priority": "High",
      "cveCount": 28,
      "exploitedCveCount": 0
    },
    {
      "fix": "Microsoft Edge WebView2 Runtime 150.0.4078.48",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edgewebview2runtime-150.0.4078.48",
      "released": "2026-07-02T00:00:00Z",
      "fixedVersion": "150.0.4078.48",
      "priority": "Urgent",
      "cveCount": 335,
      "exploitedCveCount": 0
    },
    {
      "fix": "Microsoft Edge WebView2 Runtime 149.0.4022.96",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edgewebview2runtime-149.0.4022.96",
      "released": "2026-06-25T00:00:00Z",
      "fixedVersion": "149.0.4022.96",
      "priority": "High",
      "cveCount": 12,
      "exploitedCveCount": 0
    },
    {
      "fix": "Microsoft Edge WebView2 Runtime 149.0.4022.80",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edgewebview2runtime-149.0.4022.80",
      "released": "2026-06-18T00:00:00Z",
      "fixedVersion": "149.0.4022.80",
      "priority": "Urgent",
      "cveCount": 23,
      "exploitedCveCount": 0
    },
    {
      "fix": "Microsoft Edge WebView2 Runtime 149.0.4022.69",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edgewebview2runtime-149.0.4022.69",
      "released": "2026-06-12T00:00:00Z",
      "fixedVersion": "149.0.4022.69",
      "priority": "High",
      "cveCount": 10,
      "exploitedCveCount": 0
    },
    {
      "fix": "Microsoft Edge WebView2 Runtime 149.0.4022.62",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edgewebview2runtime-149.0.4022.62",
      "released": "2026-06-09T00:00:00Z",
      "fixedVersion": "149.0.4022.62",
      "priority": "Patch now",
      "cveCount": 56,
      "exploitedCveCount": 1
    },
    {
      "fix": "Microsoft Edge WebView2 Runtime 149.0.4022.52",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edgewebview2runtime-149.0.4022.52",
      "released": "2026-06-04T00:00:00Z",
      "fixedVersion": "149.0.4022.52",
      "priority": "Urgent",
      "cveCount": 329,
      "exploitedCveCount": 0
    },
    {
      "fix": "Microsoft Edge WebView2 Runtime 148.0.3967.96",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edgewebview2runtime-148.0.3967.96",
      "released": "2026-05-28T00:00:00Z",
      "fixedVersion": "148.0.3967.96",
      "priority": "Urgent",
      "cveCount": 105,
      "exploitedCveCount": 0
    },
    {
      "fix": "Microsoft Edge WebView2 Runtime 148.0.3967.83",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edgewebview2runtime-148.0.3967.83",
      "released": "2026-05-21T00:00:00Z",
      "fixedVersion": "148.0.3967.83",
      "priority": "High",
      "cveCount": 13,
      "exploitedCveCount": 0
    },
    {
      "fix": "Microsoft Edge WebView2 Runtime 148.0.3967.70",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edgewebview2runtime-148.0.3967.70",
      "released": "2026-05-15T00:00:00Z",
      "fixedVersion": "148.0.3967.70",
      "priority": "Urgent",
      "cveCount": 61,
      "exploitedCveCount": 0
    },
    {
      "fix": "Microsoft Edge WebView2 Runtime 148.0.3967.54",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edgewebview2runtime-148.0.3967.54",
      "released": "2026-05-07T00:00:00Z",
      "fixedVersion": "148.0.3967.54",
      "priority": "Urgent",
      "cveCount": 109,
      "exploitedCveCount": 0
    },
    {
      "fix": "Microsoft Edge WebView2 Runtime 147.0.3912.98",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edgewebview2runtime-147.0.3912.98",
      "released": "2026-04-30T00:00:00Z",
      "fixedVersion": "147.0.3912.98",
      "priority": "Urgent",
      "cveCount": 1,
      "exploitedCveCount": 0
    },
    {
      "fix": "Microsoft Edge WebView2 Runtime 147.0.3912.86",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edgewebview2runtime-147.0.3912.86",
      "released": "2026-04-24T00:00:00Z",
      "fixedVersion": "147.0.3912.86",
      "priority": "Urgent",
      "cveCount": 2,
      "exploitedCveCount": 0
    },
    {
      "fix": "Microsoft Edge WebView2 Runtime 147.0.3912.72",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edgewebview2runtime-147.0.3912.72",
      "released": "2026-04-16T00:00:00Z",
      "fixedVersion": "147.0.3912.72",
      "priority": "High",
      "cveCount": 28,
      "exploitedCveCount": 0
    },
    {
      "fix": "Microsoft Edge WebView2 Runtime 147.0.3912.60",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edgewebview2runtime-147.0.3912.60",
      "released": "2026-04-10T00:00:00Z",
      "fixedVersion": "147.0.3912.60",
      "priority": "Urgent",
      "cveCount": 57,
      "exploitedCveCount": 0
    },
    {
      "fix": "Microsoft Edge WebView2 Runtime 146.0.3856.97",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edgewebview2runtime-146.0.3856.97",
      "released": "2026-04-01T00:00:00Z",
      "fixedVersion": "146.0.3856.97",
      "priority": "Patch now",
      "cveCount": 18,
      "exploitedCveCount": 1
    },
    {
      "fix": "Microsoft Edge WebView2 Runtime 146.0.3856.84",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edgewebview2runtime-146.0.3856.84",
      "released": "2026-03-26T00:00:00Z",
      "fixedVersion": "146.0.3856.84",
      "priority": "High",
      "cveCount": 8,
      "exploitedCveCount": 0
    },
    {
      "fix": "Microsoft Edge WebView2 Runtime 146.0.3856.72",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edgewebview2runtime-146.0.3856.72",
      "released": "2026-03-20T00:00:00Z",
      "fixedVersion": "146.0.3856.72",
      "priority": "High",
      "cveCount": 24,
      "exploitedCveCount": 0
    },
    {
      "fix": "Microsoft Edge WebView2 Runtime 146.0.3856.62",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edgewebview2runtime-146.0.3856.62",
      "released": "2026-03-15T00:00:00Z",
      "fixedVersion": "146.0.3856.62",
      "priority": "Patch now",
      "cveCount": 1,
      "exploitedCveCount": 1
    },
    {
      "fix": "Microsoft Edge WebView2 Runtime 146.0.3856.59",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edgewebview2runtime-146.0.3856.59",
      "released": "2026-03-13T00:00:00Z",
      "fixedVersion": "146.0.3856.59",
      "priority": "Patch now",
      "cveCount": 31,
      "exploitedCveCount": 1
    },
    {
      "fix": "Microsoft Edge WebView2 Runtime 145.0.3800.97",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edgewebview2runtime-145.0.3800.97",
      "released": "2026-03-06T00:00:00Z",
      "fixedVersion": "145.0.3800.97",
      "priority": "Urgent",
      "cveCount": 8,
      "exploitedCveCount": 0
    },
    {
      "fix": "Microsoft Edge WebView2 Runtime 145.0.3800.82",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edgewebview2runtime-145.0.3800.82",
      "released": "2026-02-26T00:00:00Z",
      "fixedVersion": "145.0.3800.82",
      "priority": "Urgent",
      "cveCount": 3,
      "exploitedCveCount": 0
    },
    {
      "fix": "Microsoft Edge WebView2 Runtime 145.0.3800.70",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edgewebview2runtime-145.0.3800.70",
      "released": "2026-02-20T00:00:00Z",
      "fixedVersion": "145.0.3800.70",
      "priority": "High",
      "cveCount": 3,
      "exploitedCveCount": 0
    },
    {
      "fix": "Microsoft Edge WebView2 Runtime 145.0.3800.58",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edgewebview2runtime-145.0.3800.58",
      "released": "2026-02-14T00:00:00Z",
      "fixedVersion": "145.0.3800.58",
      "priority": "Patch now",
      "cveCount": 11,
      "exploitedCveCount": 1
    },
    {
      "fix": "Microsoft Edge WebView2 Runtime 144.0.3719.115",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edgewebview2runtime-144.0.3719.115",
      "released": "2026-02-05T00:00:00Z",
      "fixedVersion": "144.0.3719.115",
      "priority": "High",
      "cveCount": 2,
      "exploitedCveCount": 0
    },
    {
      "fix": "Microsoft Edge WebView2 Runtime 144.0.3719.104",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edgewebview2runtime-144.0.3719.104",
      "released": "2026-02-04T00:00:00Z",
      "fixedVersion": "144.0.3719.104",
      "priority": "Routine",
      "cveCount": 1,
      "exploitedCveCount": 0
    },
    {
      "fix": "Microsoft Edge WebView2 Runtime 144.0.3719.92",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edgewebview2runtime-144.0.3719.92",
      "released": "2026-01-23T00:00:00Z",
      "fixedVersion": "144.0.3719.92",
      "priority": "High",
      "cveCount": 1,
      "exploitedCveCount": 0
    },
    {
      "fix": "Microsoft Edge WebView2 Runtime 144.0.3719.82",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edgewebview2runtime-144.0.3719.82",
      "released": "2026-01-16T00:00:00Z",
      "fixedVersion": "144.0.3719.82",
      "priority": "Urgent",
      "cveCount": 11,
      "exploitedCveCount": 0
    },
    {
      "fix": "Microsoft Edge WebView2 Runtime 143.0.3650.139",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edgewebview2runtime-143.0.3650.139",
      "released": "2026-01-08T00:00:00Z",
      "fixedVersion": "143.0.3650.139",
      "priority": "High",
      "cveCount": 1,
      "exploitedCveCount": 0
    },
    {
      "fix": "Microsoft Edge WebView2 Runtime 143.0.3650.96",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edgewebview2runtime-143.0.3650.96",
      "released": "2025-12-18T00:00:00Z",
      "fixedVersion": "143.0.3650.96",
      "priority": "High",
      "cveCount": 2,
      "exploitedCveCount": 0
    },
    {
      "fix": "Microsoft Edge WebView2 Runtime 143.0.3650.80",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edgewebview2runtime-143.0.3650.80",
      "released": "2025-12-11T00:00:00Z",
      "fixedVersion": "143.0.3650.80",
      "priority": "Patch now",
      "cveCount": 3,
      "exploitedCveCount": 1
    },
    {
      "fix": "Microsoft Edge WebView2 Runtime 143.0.3650.66",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edgewebview2runtime-143.0.3650.66",
      "released": "2025-12-04T00:00:00Z",
      "fixedVersion": "143.0.3650.66",
      "priority": "High",
      "cveCount": 14,
      "exploitedCveCount": 0
    },
    {
      "fix": "Microsoft Edge WebView2 Runtime 142.0.3595.90",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edgewebview2runtime-142.0.3595.90",
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  "dataAsOf": "2026-11-08T19:12:23Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}