{
  "cveId": "CVE-2026-9986",
  "url": "https://patchblox.com/security/cve/CVE-2026-9986",
  "summary": "CVE-2026-9986 is fixed in 9 products on 3 platforms, first by Google Chrome Dev (EXE) 149.0.7779.3, released April 9, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "Chromium: CVE-2026-9986 Insufficient validation of untrusted input in OptimizationGuide",
  "description": "\u003Cp\u003EThis CVE was assigned by Chrome.  Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see \u003Ca href=\u0022https://chromereleases.googleblog.com/2021\u0022\u003EGoogle Chrome Releases\u003C/a\u003E for more information.\u003C/p\u003E",
  "published": "2026-05-28T23:16:56Z",
  "severity": "medium",
  "cvss": 4.2,
  "cvssVector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:L",
  "cwe": "CWE-20: Insufficient validation of untrusted input",
  "epss": 0.00145,
  "epssPercentile": 0.03764,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-9986",
  "fixes": [
    {
      "platform": "windows-app",
      "product": "Google Chrome (EXE)",
      "fixedVersion": "148.0.7778.217",
      "fix": "Google Chrome (EXE) 148.0.7778.217",
      "url": "https://patchblox.com/security/fix/windows-app/google.chrome.exe-148.0.7778.217",
      "released": "2026-05-27T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Google Chrome Beta (EXE)",
      "fixedVersion": "149.0.7827.3",
      "fix": "Google Chrome Beta (EXE) 149.0.7827.3",
      "url": "https://patchblox.com/security/fix/windows-app/google.chrome.beta.exe-149.0.7827.3",
      "released": "2026-05-06T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Google Chrome Dev (EXE)",
      "fixedVersion": "149.0.7779.3",
      "fix": "Google Chrome Dev (EXE) 149.0.7779.3",
      "url": "https://patchblox.com/security/fix/windows-app/google.chrome.dev.exe-149.0.7779.3",
      "released": "2026-04-09T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Microsoft Edge",
      "fixedVersion": "148.0.3967.96",
      "fix": "Microsoft Edge 148.0.3967.96",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edge-148.0.3967.96",
      "released": "2026-05-28T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Microsoft Edge Beta",
      "fixedVersion": "151.0.4129.59",
      "fix": "Microsoft Edge Beta 151.0.4129.59",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edge.beta-151.0.4129.59",
      "released": "2026-07-31T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Microsoft Edge Dev",
      "fixedVersion": "152.0.4167.0",
      "fix": "Microsoft Edge Dev 152.0.4167.0",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edge.dev-152.0.4167.0",
      "released": "2026-07-20T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Microsoft Edge WebView2 Runtime",
      "fixedVersion": "148.0.3967.96",
      "fix": "Microsoft Edge WebView2 Runtime 148.0.3967.96",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edgewebview2runtime-148.0.3967.96",
      "released": "2026-05-28T00:00:00Z"
    },
    {
      "platform": "macos",
      "product": "Google Chrome",
      "fixedVersion": "148.0.7778.216",
      "fix": "Google Chrome 148.0.7778.216",
      "url": "https://patchblox.com/security/fix/macos/com.google.chrome-148.0.7778.216",
      "released": "2026-05-26T20:44:26Z"
    },
    {
      "platform": "macos",
      "product": "Microsoft Edge",
      "fixedVersion": "149.0.4022.80",
      "fix": "Microsoft Edge 149.0.4022.80",
      "url": "https://patchblox.com/security/fix/macos/com.microsoft.edgemac-149.0.4022.80",
      "released": "2026-06-17T18:21:56Z"
    },
    {
      "platform": "linux",
      "product": "chromium",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "148.0.7778.215-1~deb12u1",
      "fix": "DEBIAN-CVE-2026-9986",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-9986",
      "released": "2026-06-24T14:07:24Z"
    },
    {
      "platform": "linux",
      "product": "chromium",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "148.0.7778.215-1~deb13u1",
      "fix": "DEBIAN-CVE-2026-9986",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-9986",
      "released": "2026-06-24T14:07:24Z"
    },
    {
      "platform": "linux",
      "product": "chromium",
      "release": "Debian 14",
      "fixedVersion": "148.0.7778.215-1",
      "fix": "DEBIAN-CVE-2026-9986",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-9986",
      "released": "2026-06-24T14:07:24Z"
    },
    {
      "platform": "linux",
      "product": "chromium",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "148.0.7778.215-bp160.1.1",
      "fix": "OPENSUSE-SU-2026:20849-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-20849-1",
      "released": "2026-08-31T08:40:44Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-07T18:46:35Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}