{
  "fix": "Microsoft Edge 154.0.4258.53",
  "url": "https://patchblox.com/security/fix/macos/com.microsoft.edgemac-154.0.4258.53",
  "summary": "Microsoft Edge 154.0.4258.53, released September 30, 2026, fixes 22 CVEs in Microsoft Edge. None of them is reported as exploited. Patch Radar priority: High. The latest Microsoft Edge is 157.0.4341.42, which also fixes every one of these CVEs.",
  "platform": "macos",
  "type": "app-version",
  "title": "Microsoft Edge 154.0.4258.53",
  "released": "2026-09-30T20:21:51Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2026-102323, high severity",
  "supported": true,
  "cveCount": 22,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00415,
  "maxCvss": 9.6,
  "appliesTo": [
    {
      "product": "Microsoft Edge",
      "productUrl": "https://patchblox.com/security/product/macos/microsoft-edge",
      "fixedVersion": "154.0.4258.53",
      "latestVersion": "157.0.4341.42",
      "supported": true
    }
  ],
  "supersededBy": {
    "product": "Microsoft Edge",
    "latestVersion": "157.0.4341.42",
    "productUrl": "https://patchblox.com/security/product/macos/microsoft-edge"
  },
  "cves": [
    {
      "cveId": "CVE-2026-102299",
      "url": "https://patchblox.com/security/cve/CVE-2026-102299",
      "title": "Chromium CVE-2026-102299: Type confusion",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00415,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-102323",
      "url": "https://patchblox.com/security/cve/CVE-2026-102323",
      "title": "Chromium CVE-2026-102323: Type confusion",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00415,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-102306",
      "url": "https://patchblox.com/security/cve/CVE-2026-102306",
      "title": "Chromium CVE-2026-102306: Use after free",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.6,
      "epss": 0.00381,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-102302",
      "url": "https://patchblox.com/security/cve/CVE-2026-102302",
      "title": "Chromium CVE-2026-102302: Buffer overflow",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00355,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-102321",
      "url": "https://patchblox.com/security/cve/CVE-2026-102321",
      "title": "Chromium CVE-2026-102321: Type confusion",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00339,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-102328",
      "url": "https://patchblox.com/security/cve/CVE-2026-102328",
      "title": "Chromium CVE-2026-102328: Type confusion",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00332,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-102326",
      "url": "https://patchblox.com/security/cve/CVE-2026-102326",
      "title": "Chromium CVE-2026-102326: Type confusion",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00325,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-102304",
      "url": "https://patchblox.com/security/cve/CVE-2026-102304",
      "title": "Chromium CVE-2026-102304: Use after free",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.6,
      "epss": 0.00317,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-102308",
      "url": "https://patchblox.com/security/cve/CVE-2026-102308",
      "title": "Chromium CVE-2026-102308: Use after free",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.6,
      "epss": 0.00317,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-102309",
      "url": "https://patchblox.com/security/cve/CVE-2026-102309",
      "title": "Chromium CVE-2026-102309: Use after free",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.6,
      "epss": 0.00317,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-102316",
      "url": "https://patchblox.com/security/cve/CVE-2026-102316",
      "title": "Chromium CVE-2026-102316: Use after free",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.6,
      "epss": 0.00311,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-102301",
      "url": "https://patchblox.com/security/cve/CVE-2026-102301",
      "title": "Chromium CVE-2026-102301: Out of bounds write",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.3,
      "epss": 0.00286,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-102324",
      "url": "https://patchblox.com/security/cve/CVE-2026-102324",
      "title": "Chromium CVE-2026-102324: Use after free",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.3,
      "epss": 0.00269,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-102325",
      "url": "https://patchblox.com/security/cve/CVE-2026-102325",
      "title": "Chromium CVE-2026-102325: Uninitialized resource",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.6,
      "epss": 0.00234,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-102300",
      "url": "https://patchblox.com/security/cve/CVE-2026-102300",
      "title": "Chromium CVE-2026-102300: Uninitialized resource in WebGPU",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 4.3,
      "epss": 0.00277,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-102310",
      "url": "https://patchblox.com/security/cve/CVE-2026-102310",
      "title": "Chromium CVE-2026-102310: Missing authorization",
      "priority": "Routine",
      "severity": "Low",
      "cvss": 6.5,
      "epss": 0.00244,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-102320",
      "url": "https://patchblox.com/security/cve/CVE-2026-102320",
      "title": "Chromium CVE-2026-102320: Missing authorization",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 6.5,
      "epss": 0.00234,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-102330",
      "url": "https://patchblox.com/security/cve/CVE-2026-102330",
      "title": "Chromium CVE-2026-102330: Incorrect authorization",
      "priority": "Routine",
      "severity": "Low",
      "cvss": 6.5,
      "epss": 0.00234,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-102318",
      "url": "https://patchblox.com/security/cve/CVE-2026-102318",
      "title": "Chromium CVE-2026-102318: Out of bounds read",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 4.7,
      "epss": 0.00214,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-102319",
      "url": "https://patchblox.com/security/cve/CVE-2026-102319",
      "title": "Chromium CVE-2026-102319: Uninitialized resource",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 3.4,
      "epss": 0.00214,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-102314",
      "url": "https://patchblox.com/security/cve/CVE-2026-102314",
      "title": "Chromium CVE-2026-102314: UI misrepresentation",
      "priority": "Routine",
      "severity": "Low",
      "cvss": 5.4,
      "epss": 0.00208,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-102329",
      "url": "https://patchblox.com/security/cve/CVE-2026-102329",
      "title": "Chromium CVE-2026-102329: Cross-site scripting",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 6.1,
      "epss": 0.00178,
      "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"
  }
}