{
  "fix": "Microsoft Edge WebView2 Runtime 145.0.3800.58",
  "url": "https://patchblox.com/security/fix/windows-app/microsoft.edgewebview2runtime-145.0.3800.58",
  "summary": "Microsoft Edge WebView2 Runtime 145.0.3800.58, released February 14, 2026, fixes 11 CVEs in Microsoft Edge WebView2 Runtime. One of them is being exploited (CVE-2026-2441); 1 on CISA KEV. Patch Radar priority: Patch now. The latest Microsoft Edge WebView2 Runtime is 157.0.4341.42, which also fixes every one of these CVEs.",
  "platform": "windows-app",
  "type": "app-version",
  "title": "Microsoft Edge WebView2 Runtime 145.0.3800.58",
  "released": "2026-02-14T00:00:00Z",
  "priority": "Patch now",
  "priorityTier": 1,
  "priorityReason": "Closes CVE-2026-2441, exploited (CISA KEV)",
  "supported": true,
  "cveCount": 11,
  "exploitedCveCount": 1,
  "kevCveCount": 1,
  "ransomwareCveCount": 0,
  "maxEpss": 0.54461,
  "maxCvss": 8.8,
  "appliesTo": [
    {
      "product": "Microsoft Edge WebView2 Runtime",
      "productUrl": "https://patchblox.com/security/product/windows-app/microsoft-edge-webview2-runtime",
      "fixedVersion": "145.0.3800.58",
      "latestVersion": "157.0.4341.42",
      "supported": true
    }
  ],
  "supersededBy": {
    "product": "Microsoft Edge WebView2 Runtime",
    "latestVersion": "157.0.4341.42",
    "productUrl": "https://patchblox.com/security/product/windows-app/microsoft-edge-webview2-runtime"
  },
  "cves": [
    {
      "cveId": "CVE-2026-2441",
      "url": "https://patchblox.com/security/cve/CVE-2026-2441",
      "title": "Chromium: CVE-2026-2441 Use after free in CSS",
      "priority": "Patch now",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.54461,
      "kev": true,
      "ransomware": false,
      "exploited": true,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-2314",
      "url": "https://patchblox.com/security/cve/CVE-2026-2314",
      "title": "Chromium: CVE-2026-2314 Heap buffer overflow in Codecs",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.04624,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-2313",
      "url": "https://patchblox.com/security/cve/CVE-2026-2313",
      "title": "Chromium: CVE-2026-2313 Use after free in CSS",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.04508,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-2319",
      "url": "https://patchblox.com/security/cve/CVE-2026-2319",
      "title": "Chromium: CVE-2026-2319 Race in DevTools",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.00224,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-0102",
      "url": "https://patchblox.com/security/cve/CVE-2026-0102",
      "title": "Microsoft Edge (Chromium-based) Defense in Depth Vulnerability",
      "priority": "Routine",
      "severity": "Low",
      "cvss": 3.1,
      "epss": 0.00535,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-2316",
      "url": "https://patchblox.com/security/cve/CVE-2026-2316",
      "title": "Chromium: CVE-2026-2316 Insufficient policy enforcement in Frames",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 6.5,
      "epss": 0.00266,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-2318",
      "url": "https://patchblox.com/security/cve/CVE-2026-2318",
      "title": "CVE-2026-2318",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 6.5,
      "epss": 0.00266,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-2320",
      "url": "https://patchblox.com/security/cve/CVE-2026-2320",
      "title": "Chromium: CVE-2026-2320 Inappropriate implementation in File input",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 6.5,
      "epss": 0.00248,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-2322",
      "url": "https://patchblox.com/security/cve/CVE-2026-2322",
      "title": "Chromium: CVE-2026-2322 Heap buffer overflow in Codecs",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 5.4,
      "epss": 0.00247,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-2323",
      "url": "https://patchblox.com/security/cve/CVE-2026-2323",
      "title": "Chromium: CVE-2026-2323 Inappropriate implementation in Downloads",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 4.3,
      "epss": 0.00246,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-2317",
      "url": "https://patchblox.com/security/cve/CVE-2026-2317",
      "title": "Chromium: CVE-2026-2317 Inappropriate implementation in Animation",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 6.5,
      "epss": 0.00235,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-11T13:47:35Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}