{
  "fix": "Microsoft Edge 149.0.4022.80",
  "url": "https://patchblox.com/security/fix/windows-app/microsoft.edge-149.0.4022.80",
  "summary": "Microsoft Edge 149.0.4022.80, released June 18, 2026, fixes 23 CVEs in Microsoft Edge. None of them is reported as exploited. Patch Radar priority: Urgent. 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 149.0.4022.80",
  "released": "2026-06-18T00:00:00Z",
  "priority": "Urgent",
  "priorityTier": 2,
  "priorityReason": "Closes CVE-2026-12440, rated Critical",
  "supported": true,
  "cveCount": 23,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00613,
  "maxCvss": 9.6,
  "appliesTo": [
    {
      "product": "Microsoft Edge",
      "productUrl": "https://patchblox.com/security/product/windows-app/microsoft-edge",
      "fixedVersion": "149.0.4022.80",
      "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-2026-12440",
      "url": "https://patchblox.com/security/cve/CVE-2026-12440",
      "title": "Chromium: CVE-2026-12440 Use after free in DigitalCredentials",
      "priority": "Urgent",
      "severity": "critical",
      "cvss": 9.6,
      "epss": 0.00251,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-12443",
      "url": "https://patchblox.com/security/cve/CVE-2026-12443",
      "title": "Chromium: CVE-2026-12443 Use after free in Web Authentication",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00613,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-12447",
      "url": "https://patchblox.com/security/cve/CVE-2026-12447",
      "title": "Chromium: CVE-2026-12447 Heap buffer overflow in WebRTC",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00426,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-12466",
      "url": "https://patchblox.com/security/cve/CVE-2026-12466",
      "title": "Chromium: CVE-2026-12466 Heap buffer overflow in WebRTC",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00426,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-12439",
      "url": "https://patchblox.com/security/cve/CVE-2026-12439",
      "title": "Chromium: CVE-2026-12439 Use after free in Digital Credentials",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.0033,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-12437",
      "url": "https://patchblox.com/security/cve/CVE-2026-12437",
      "title": "Chromium: CVE-2026-12437 Use after free in WebShare",
      "priority": "High",
      "severity": "high",
      "cvss": 8.3,
      "epss": 0.00299,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-12462",
      "url": "https://patchblox.com/security/cve/CVE-2026-12462",
      "title": "Chromium: CVE-2026-12462 Use after free in Media",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.00271,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-12465",
      "url": "https://patchblox.com/security/cve/CVE-2026-12465",
      "title": "Chromium: CVE-2026-12465 Insufficient validation of untrusted input in Metrics",
      "priority": "High",
      "severity": "high",
      "cvss": 8.3,
      "epss": 0.00242,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-12455",
      "url": "https://patchblox.com/security/cve/CVE-2026-12455",
      "title": "Chromium: CVE-2026-12455 Use after free in Tab Strip",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.00227,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-12464",
      "url": "https://patchblox.com/security/cve/CVE-2026-12464",
      "title": "Chromium: CVE-2026-12464 Use after free in Browser",
      "priority": "High",
      "severity": "high",
      "cvss": 8.3,
      "epss": 0.00222,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-12467",
      "url": "https://patchblox.com/security/cve/CVE-2026-12467",
      "title": "Chromium: CVE-2026-12467 Use after free in Extensions",
      "priority": "High",
      "severity": "high",
      "cvss": 8.3,
      "epss": 0.00222,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-12451",
      "url": "https://patchblox.com/security/cve/CVE-2026-12451",
      "title": "Chromium: CVE-2026-12451 Use after free in DigitalCredentials",
      "priority": "High",
      "severity": "high",
      "cvss": 8.3,
      "epss": 0.00176,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-12445",
      "url": "https://patchblox.com/security/cve/CVE-2026-12445",
      "title": "Chromium: CVE-2026-12445 Use after free in Extensions",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.00158,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-12449",
      "url": "https://patchblox.com/security/cve/CVE-2026-12449",
      "title": "Chromium: CVE-2026-12449 Use after free in Chromoting",
      "priority": "High",
      "severity": "high",
      "cvss": 7.8,
      "epss": 0.00109,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-12461",
      "url": "https://patchblox.com/security/cve/CVE-2026-12461",
      "title": "Chromium: CVE-2026-12461 Out of bounds read in WebRTC",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 6.5,
      "epss": 0.00242,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-12446",
      "url": "https://patchblox.com/security/cve/CVE-2026-12446",
      "title": "Chromium: CVE-2026-12446 Insufficient data validation in Passwords",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 4.3,
      "epss": 0.00194,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-12458",
      "url": "https://patchblox.com/security/cve/CVE-2026-12458",
      "title": "Chromium: CVE-2026-12458 Incorrect security UI in Passwords",
      "priority": "Routine",
      "severity": "low",
      "cvss": 3.1,
      "epss": 0.0019,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-12459",
      "url": "https://patchblox.com/security/cve/CVE-2026-12459",
      "title": "Chromium: CVE-2026-12459 Inappropriate implementation in Serial",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 6.1,
      "epss": 0.00181,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-12453",
      "url": "https://patchblox.com/security/cve/CVE-2026-12453",
      "title": "Chromium: CVE-2026-12453 Insufficient validation of untrusted input in Input",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 4.2,
      "epss": 0.0018,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-12460",
      "url": "https://patchblox.com/security/cve/CVE-2026-12460",
      "title": "Chromium: CVE-2026-12460 Insufficient policy enforcement in File System Access",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 4.2,
      "epss": 0.00153,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-12444",
      "url": "https://patchblox.com/security/cve/CVE-2026-12444",
      "title": "Chromium: CVE-2026-12444 Out of bounds read in Chromoting",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 5.5,
      "epss": 0.00143,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-12456",
      "url": "https://patchblox.com/security/cve/CVE-2026-12456",
      "title": "Chromium: CVE-2026-12456 Insufficient validation of untrusted input in Extensions",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 4.2,
      "epss": 0.00137,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-12457",
      "url": "https://patchblox.com/security/cve/CVE-2026-12457",
      "title": "Chromium: CVE-2026-12457 Insufficient data validation in Extensions",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 4.2,
      "epss": 0.00136,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-11T01:43:54Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}