{
  "fix": "Microsoft Edge Dev 139.0.3365.2",
  "url": "https://patchblox.com/security/fix/windows-app/microsoft.edge.dev-139.0.3365.2",
  "summary": "Microsoft Edge Dev 139.0.3365.2, released June 10, 2025, fixes 15 CVEs in Microsoft Edge Dev. 2 of them are being exploited (CVE-2025-6554); 2 on CISA KEV. Patch Radar priority: Patch now. The latest Microsoft Edge Dev is 159.0.4378.0, which also fixes every one of these CVEs.",
  "platform": "windows-app",
  "type": "app-version",
  "title": "Microsoft Edge Dev 139.0.3365.2",
  "released": "2025-06-10T00:00:00Z",
  "priority": "Patch now",
  "priorityTier": 1,
  "priorityReason": "Closes CVE-2025-6554, exploited (CISA KEV)",
  "supported": true,
  "cveCount": 15,
  "exploitedCveCount": 2,
  "kevCveCount": 2,
  "ransomwareCveCount": 0,
  "maxEpss": 0.14142,
  "maxCvss": 8.8,
  "appliesTo": [
    {
      "product": "Microsoft Edge Dev",
      "productUrl": "https://patchblox.com/security/product/windows-app/microsoft-edge-dev",
      "fixedVersion": "139.0.3365.2",
      "latestVersion": "159.0.4378.0",
      "supported": true
    }
  ],
  "supersededBy": {
    "product": "Microsoft Edge Dev",
    "latestVersion": "159.0.4378.0",
    "productUrl": "https://patchblox.com/security/product/windows-app/microsoft-edge-dev"
  },
  "cves": [
    {
      "cveId": "CVE-2025-6554",
      "url": "https://patchblox.com/security/cve/CVE-2025-6554",
      "title": "Chromium: CVE-2025-6554 Type Confusion in V8",
      "priority": "Patch now",
      "severity": "high",
      "cvss": 8.1,
      "epss": 0.14142,
      "kev": true,
      "ransomware": false,
      "exploited": true,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-6558",
      "url": "https://patchblox.com/security/cve/CVE-2025-6558",
      "title": "Chromium: CVE-2025-6558 Incorrect validation of untrusted input in ANGLE and GPU",
      "priority": "Patch now",
      "severity": "HIGH",
      "cvss": 8.8,
      "epss": 0.10927,
      "kev": true,
      "ransomware": false,
      "exploited": true,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-7656",
      "url": "https://patchblox.com/security/cve/CVE-2025-7656",
      "title": "Chromium: CVE-2025-7656 Integer overflow in V8",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.11071,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-9132",
      "url": "https://patchblox.com/security/cve/CVE-2025-9132",
      "title": "Chromium: CVE-2025-9132 Out of bounds write in V8",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.03212,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-49713",
      "url": "https://patchblox.com/security/cve/CVE-2025-49713",
      "title": "Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00809,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-7657",
      "url": "https://patchblox.com/security/cve/CVE-2025-7657",
      "title": "Chromium: CVE-2025-7657 Use after free in WebRTC",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00511,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-8292",
      "url": "https://patchblox.com/security/cve/CVE-2025-8292",
      "title": "Chromium: CVE-2025-8292 Use after free in Media Stream",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.0042,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-8010",
      "url": "https://patchblox.com/security/cve/CVE-2025-8010",
      "title": "Chromium: CVE-2025-8010 Type Confusion in V8",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00344,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-8011",
      "url": "https://patchblox.com/security/cve/CVE-2025-8011",
      "title": "Chromium: CVE-2025-8011 Type Confusion in V8",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00339,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-47963",
      "url": "https://patchblox.com/security/cve/CVE-2025-47963",
      "title": "Microsoft Edge (Chromium-based) Spoofing Vulnerability",
      "priority": "Routine",
      "severity": "Low",
      "cvss": 6.5,
      "epss": 0.0062,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-47964",
      "url": "https://patchblox.com/security/cve/CVE-2025-47964",
      "title": "Microsoft Edge (Chromium-based) Spoofing Vulnerability",
      "priority": "Routine",
      "severity": "Low",
      "cvss": 5.4,
      "epss": 0.0048,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-47182",
      "url": "https://patchblox.com/security/cve/CVE-2025-47182",
      "title": "Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 5.6,
      "epss": 0.0037,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-6557",
      "url": "https://patchblox.com/security/cve/CVE-2025-6557",
      "title": "Chromium: CVE-2025-6557 Insufficient data validation in DevTools",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 5.4,
      "epss": 0.00232,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-6555",
      "url": "https://patchblox.com/security/cve/CVE-2025-6555",
      "title": "Chromium: CVE-2025-6555 Use after free in Animation",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 5.4,
      "epss": 0.0021,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-6556",
      "url": "https://patchblox.com/security/cve/CVE-2025-6556",
      "title": "Chromium: CVE-2025-6556 Insufficient policy enforcement in Loader",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 5.4,
      "epss": 0.00208,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-10T13:56:55Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}