{
  "fix": "Microsoft Edge 146.0.3856.59",
  "url": "https://patchblox.com/security/fix/windows-app/microsoft.edge-146.0.3856.59",
  "summary": "Microsoft Edge 146.0.3856.59, released March 6, 2026, fixes 31 CVEs in Microsoft Edge. One of them is being exploited (CVE-2026-3910); 1 on CISA KEV. Patch Radar priority: Patch now. 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 146.0.3856.59",
  "released": "2026-03-06T00:00:00Z",
  "priority": "Patch now",
  "priorityTier": 1,
  "priorityReason": "Closes CVE-2026-3910, exploited (CISA KEV)",
  "supported": true,
  "cveCount": 31,
  "exploitedCveCount": 1,
  "kevCveCount": 1,
  "ransomwareCveCount": 0,
  "maxEpss": 0.02682,
  "maxCvss": 9.6,
  "appliesTo": [
    {
      "product": "Microsoft Edge",
      "productUrl": "https://patchblox.com/security/product/windows-app/microsoft-edge",
      "fixedVersion": "146.0.3856.59",
      "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-2026-3910",
      "url": "https://patchblox.com/security/cve/CVE-2026-3910",
      "title": "Chromium: CVE-2026-3910 Inappropriate implementation in V8",
      "priority": "Patch now",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.02682,
      "kev": true,
      "ransomware": false,
      "exploited": true,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-3916",
      "url": "https://patchblox.com/security/cve/CVE-2026-3916",
      "title": "Chromium: CVE-2026-3916 Out of bounds read in Web Speech",
      "priority": "Urgent",
      "severity": "critical",
      "cvss": 9.6,
      "epss": 0.00403,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-3931",
      "url": "https://patchblox.com/security/cve/CVE-2026-3931",
      "title": "Chromium: CVE-2026-3931 Heap buffer overflow in Skia",
      "priority": "Urgent",
      "severity": "CRITICAL",
      "cvss": 9.6,
      "epss": 0.00315,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-3913",
      "url": "https://patchblox.com/security/cve/CVE-2026-3913",
      "title": "Chromium: CVE-2026-3913 Heap buffer overflow in WebML",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.0046,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-3915",
      "url": "https://patchblox.com/security/cve/CVE-2026-3915",
      "title": "Chromium: CVE-2026-3915 Heap buffer overflow in WebML",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00435,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-3914",
      "url": "https://patchblox.com/security/cve/CVE-2026-3914",
      "title": "Chromium: CVE-2026-3914 Integer overflow in WebML",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00403,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-3917",
      "url": "https://patchblox.com/security/cve/CVE-2026-3917",
      "title": "Chromium: CVE-2026-3917 Use after free in Agents",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00403,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-3537",
      "url": "https://patchblox.com/security/cve/CVE-2026-3537",
      "title": "Chromium: CVE-2026-3537 Object lifecycle issue in PowerVR",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00375,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-3918",
      "url": "https://patchblox.com/security/cve/CVE-2026-3918",
      "title": "Chromium: CVE-2026-3918 Use after free in WebMCP",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00375,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-3921",
      "url": "https://patchblox.com/security/cve/CVE-2026-3921",
      "title": "Chromium: CVE-2026-3921 Use after free in TextEncoding",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00359,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-3920",
      "url": "https://patchblox.com/security/cve/CVE-2026-3920",
      "title": "Chromium: CVE-2026-3920 Out of bounds memory access in WebML",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00336,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-3922",
      "url": "https://patchblox.com/security/cve/CVE-2026-3922",
      "title": "Chromium: CVE-2026-3922 Use after free in MediaStream",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00313,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-3923",
      "url": "https://patchblox.com/security/cve/CVE-2026-3923",
      "title": "Chromium: CVE-2026-3923 Use after free in WebMIDI",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00313,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-3936",
      "url": "https://patchblox.com/security/cve/CVE-2026-3936",
      "title": "Chromium: CVE-2026-3936 Use after free in WebView",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00313,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-3924",
      "url": "https://patchblox.com/security/cve/CVE-2026-3924",
      "title": "Chromium: CVE-2026-3924 Use after free in WindowDialog",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.00306,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-3919",
      "url": "https://patchblox.com/security/cve/CVE-2026-3919",
      "title": "Chromium: CVE-2026-3919 Use after free in Extensions",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00301,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-3926",
      "url": "https://patchblox.com/security/cve/CVE-2026-3926",
      "title": "Chromium: CVE-2026-3926 Out of bounds read in V8",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00261,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-3932",
      "url": "https://patchblox.com/security/cve/CVE-2026-3932",
      "title": "Chromium: CVE-2026-3932 Insufficient policy enforcement in PDF",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.00211,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-3937",
      "url": "https://patchblox.com/security/cve/CVE-2026-3937",
      "title": "Chromium: CVE-2026-3937 Incorrect security UI in Downloads",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 6.5,
      "epss": 0.00213,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-3934",
      "url": "https://patchblox.com/security/cve/CVE-2026-3934",
      "title": "Chromium: CVE-2026-3934 Insufficient policy enforcement in ChromeDriver",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 6.5,
      "epss": 0.00211,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-3927",
      "url": "https://patchblox.com/security/cve/CVE-2026-3927",
      "title": "Chromium: CVE-2026-3927 Incorrect security UI in PictureInPicture",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 4.3,
      "epss": 0.00204,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-3942",
      "url": "https://patchblox.com/security/cve/CVE-2026-3942",
      "title": "Chromium: CVE-2026-3942 Incorrect security UI in PictureInPicture",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 4.3,
      "epss": 0.00204,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-3938",
      "url": "https://patchblox.com/security/cve/CVE-2026-3938",
      "title": "Chromium: CVE-2026-3938 Insufficient policy enforcement in Clipboard",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 4.3,
      "epss": 0.00197,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-3941",
      "url": "https://patchblox.com/security/cve/CVE-2026-3941",
      "title": "Chromium: CVE-2026-3941 Insufficient policy enforcement in DevTools",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 4.3,
      "epss": 0.00191,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-3929",
      "url": "https://patchblox.com/security/cve/CVE-2026-3929",
      "title": "Chromium: CVE-2026-3929 Side-channel information leakage in ResourceTiming",
      "priority": "Routine",
      "severity": "low",
      "cvss": 3.1,
      "epss": 0.00189,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-3935",
      "url": "https://patchblox.com/security/cve/CVE-2026-3935",
      "title": "Chromium: CVE-2026-3935 Incorrect security UI in WebAppInstalls",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 6.5,
      "epss": 0.00186,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-3930",
      "url": "https://patchblox.com/security/cve/CVE-2026-3930",
      "title": "Chromium: CVE-2026-3930 Unsafe navigation in Navigation",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 5.3,
      "epss": 0.00184,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-3940",
      "url": "https://patchblox.com/security/cve/CVE-2026-3940",
      "title": "Chromium: CVE-2026-3940 Insufficient policy enforcement in DevTools",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 5.3,
      "epss": 0.00184,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-3925",
      "url": "https://patchblox.com/security/cve/CVE-2026-3925",
      "title": "Chromium: CVE-2026-3925 Incorrect security UI in LookalikeChecks",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 4.3,
      "epss": 0.00172,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-3939",
      "url": "https://patchblox.com/security/cve/CVE-2026-3939",
      "title": "Chromium: CVE-2026-3939 Use after free in WebView",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 5.3,
      "epss": 0.0017,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-3928",
      "url": "https://patchblox.com/security/cve/CVE-2026-3928",
      "title": "Chromium: CVE-2026-3928 Insufficient policy enforcement in Extensions",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 4.3,
      "epss": 0.00142,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-11T07:45:43Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}