{
  "product": "Microsoft Edge Dev",
  "url": "https://patchblox.com/security/product/windows-app/microsoft-edge-dev",
  "summary": "The latest version of Microsoft Edge Dev is 159.0.4378.0, released November 2, 2026. Patch Radar has 23 security fixes for Microsoft Edge Dev, closing 4,071 CVEs, 47 of which are being exploited. The newest is Microsoft Edge Dev 157.0.4322.0 (157.0.4322.0), released October 6, 2026.",
  "platform": "windows-app",
  "vendor": "Microsoft",
  "supported": true,
  "latestVersion": "159.0.4378.0",
  "latestReleased": "2026-11-02T00:00:00Z",
  "fixCount": 23,
  "cveCount": 4071,
  "exploitedCveCount": 47,
  "unfixedCveCount": 0,
  "fixes": [
    {
      "fix": "Microsoft Edge Dev 157.0.4322.0",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edge.dev-157.0.4322.0",
      "released": "2026-10-06T00:00:00Z",
      "fixedVersion": "157.0.4322.0",
      "priority": "Urgent",
      "cveCount": 340,
      "exploitedCveCount": 0
    },
    {
      "fix": "Microsoft Edge Dev 156.0.4285.0",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edge.dev-156.0.4285.0",
      "released": "2026-09-17T00:00:00Z",
      "fixedVersion": "156.0.4285.0",
      "priority": "Urgent",
      "cveCount": 225,
      "exploitedCveCount": 0
    },
    {
      "fix": "Microsoft Edge Dev 155.0.4273.0",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edge.dev-155.0.4273.0",
      "released": "2026-09-11T00:00:00Z",
      "fixedVersion": "155.0.4273.0",
      "priority": "Patch now",
      "cveCount": 128,
      "exploitedCveCount": 1
    },
    {
      "fix": "Microsoft Edge Dev 154.0.4238.0",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edge.dev-154.0.4238.0",
      "released": "2026-08-25T00:00:00Z",
      "fixedVersion": "154.0.4238.0",
      "priority": "Patch now",
      "cveCount": 243,
      "exploitedCveCount": 1
    },
    {
      "fix": "Microsoft Edge Dev 153.0.4224.0",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edge.dev-153.0.4224.0",
      "released": "2026-08-17T00:00:00Z",
      "fixedVersion": "153.0.4224.0",
      "priority": "Patch now",
      "cveCount": 311,
      "exploitedCveCount": 1
    },
    {
      "fix": "Microsoft Edge Dev 152.0.4167.0",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edge.dev-152.0.4167.0",
      "released": "2026-07-20T00:00:00Z",
      "fixedVersion": "152.0.4167.0",
      "priority": "Patch now",
      "cveCount": 1695,
      "exploitedCveCount": 7
    },
    {
      "fix": "Microsoft Edge Dev 142.0.3558.0",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edge.dev-142.0.3558.0",
      "released": "2025-09-15T00:00:00Z",
      "fixedVersion": "142.0.3558.0",
      "priority": "High",
      "cveCount": 12,
      "exploitedCveCount": 0
    },
    {
      "fix": "Microsoft Edge Dev 141.0.3500.1",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edge.dev-141.0.3500.1",
      "released": "2025-08-19T00:00:00Z",
      "fixedVersion": "141.0.3500.1",
      "priority": "Patch now",
      "cveCount": 12,
      "exploitedCveCount": 1
    },
    {
      "fix": "Microsoft Edge Dev 140.0.3421.0",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edge.dev-140.0.3421.0",
      "released": "2025-07-07T00:00:00Z",
      "fixedVersion": "140.0.3421.0",
      "priority": "High",
      "cveCount": 14,
      "exploitedCveCount": 0
    },
    {
      "fix": "Microsoft Edge Dev 139.0.3405.13",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edge.dev-139.0.3405.13",
      "released": "2025-07-03T00:00:00Z",
      "fixedVersion": "139.0.3405.13",
      "priority": "High",
      "cveCount": 6,
      "exploitedCveCount": 0
    },
    {
      "fix": "Microsoft Edge Dev 139.0.3365.2",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edge.dev-139.0.3365.2",
      "released": "2025-06-10T00:00:00Z",
      "fixedVersion": "139.0.3365.2",
      "priority": "Patch now",
      "cveCount": 15,
      "exploitedCveCount": 2
    },
    {
      "fix": "Microsoft Edge Dev 138.0.3309.1",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edge.dev-138.0.3309.1",
      "released": "2025-05-14T00:00:00Z",
      "fixedVersion": "138.0.3309.1",
      "priority": "Patch now",
      "cveCount": 14,
      "exploitedCveCount": 1
    },
    {
      "fix": "Microsoft Edge Dev 137.0.3255.0",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edge.dev-137.0.3255.0",
      "released": "2025-04-11T00:00:00Z",
      "fixedVersion": "137.0.3255.0",
      "priority": "Urgent",
      "cveCount": 8,
      "exploitedCveCount": 0
    },
    {
      "fix": "Microsoft Edge Dev 136.0.3193.0",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edge.dev-136.0.3193.0",
      "released": "2025-03-13T00:00:00Z",
      "fixedVersion": "136.0.3193.0",
      "priority": "High",
      "cveCount": 12,
      "exploitedCveCount": 0
    },
    {
      "fix": "Microsoft Edge Dev 135.0.3140.0",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edge.dev-135.0.3140.0",
      "released": "2025-02-15T00:00:00Z",
      "fixedVersion": "135.0.3140.0",
      "priority": "Patch now",
      "cveCount": 17,
      "exploitedCveCount": 2
    },
    {
      "fix": "Microsoft Edge Dev 134.0.3081.2",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edge.dev-134.0.3081.2",
      "released": "2025-01-22T00:00:00Z",
      "fixedVersion": "134.0.3081.2",
      "priority": "High",
      "cveCount": 16,
      "exploitedCveCount": 0
    },
    {
      "fix": "Microsoft Edge Dev 133.0.2992.0",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edge.dev-133.0.2992.0",
      "released": "2024-12-02T00:00:00Z",
      "fixedVersion": "133.0.2992.0",
      "priority": "High",
      "cveCount": 17,
      "exploitedCveCount": 0
    },
    {
      "fix": "Microsoft Edge Dev 132.0.2917.0",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edge.dev-132.0.2917.0",
      "released": "2024-10-25T00:00:00Z",
      "fixedVersion": "132.0.2917.0",
      "priority": "High",
      "cveCount": 19,
      "exploitedCveCount": 0
    },
    {
      "fix": "Microsoft Edge Dev 131.0.2863.0",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edge.dev-131.0.2863.0",
      "released": "2024-09-28T00:00:00Z",
      "fixedVersion": "131.0.2863.0",
      "priority": "High",
      "cveCount": 25,
      "exploitedCveCount": 0
    },
    {
      "fix": "Microsoft Edge Dev 130.0.2808.0",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edge.dev-130.0.2808.0",
      "released": "2024-08-30T00:00:00Z",
      "fixedVersion": "130.0.2808.0",
      "priority": "Urgent",
      "cveCount": 16,
      "exploitedCveCount": 0
    },
    {
      "fix": "Microsoft Edge Dev 129.0.2752.4",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edge.dev-129.0.2752.4",
      "released": "2024-08-07T00:00:00Z",
      "fixedVersion": "129.0.2752.4",
      "priority": "Patch now",
      "cveCount": 29,
      "exploitedCveCount": 2
    },
    {
      "fix": "Microsoft Edge Dev 127.0.2651.8",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edge.dev-127.0.2651.8",
      "released": "2024-06-21T00:00:00Z",
      "fixedVersion": "127.0.2651.8",
      "priority": "Patch now",
      "cveCount": 873,
      "exploitedCveCount": 29
    },
    {
      "fix": "Microsoft Edge Dev 128.0.2661.0",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edge.dev-128.0.2661.0",
      "released": "2024-06-19T00:00:00Z",
      "fixedVersion": "128.0.2661.0",
      "priority": "High",
      "cveCount": 24,
      "exploitedCveCount": 0
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-07T06:34:28Z"
}