CVE-2026-9925

Description

Use after free in ANGLE in Google Chrome prior to 148.0.7778.216 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

8.3

Severity

HIGH

CVSS Vector

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

Configurations (Affected Products)

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

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

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

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

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

Google Chrome < 148.0.7778.216

PoC / Exploit Code

⚠ For Security Research Only

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

python

<!--
PoC for CVE-2026-9925 (Conceptual)
This HTML page attempts to trigger the UAF in ANGLE via WebGL.
-->
<!DOCTYPE html>
<html>
<head>
    <title>CVE-2026-9925 PoC</title>
</head>
<body>
    <canvas id="glCanvas"></canvas>
    <script>
        const canvas = document.getElementById('glCanvas');
        // Get WebGL context to interact with ANGLE component
        const gl = canvas.getContext('webgl');

        if (gl) {
            console.log("[+] WebGL context initialized.");
            
            try {
                // Conceptual trigger for UAF in ANGLE
                // Manipulating buffers/shaders to free and reuse memory
                const buffer = gl.createBuffer();
                gl.bindBuffer(gl.ARRAY_BUFFER, buffer);
                
                // Simulate operations that lead to UAF
                // Specific sequence required to trigger the bug in Chrome < 148.0.7778.216
                gl.deleteBuffer(buffer);
                
                // Attempt to access or manipulate the freed object
                // This part is where the actual exploit logic would reside
                console.log("[+] Trigger sequence executed.");
            } catch (e) {
                console.error("[-] Exception triggered: " + e);
            }
        } else {
            console.log("[-] WebGL not supported");
        }
    </script>
</body>
</html>

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2026-9925
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2026-9925
[3] CVE Details https://www.cvedetails.com/cve/CVE-2026-9925/
[4] VulDB https://vuldb.com/cve/CVE-2026-9925
[5] https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0877304591.html
[6] https://issues.chromium.org/issues/500536458

Raw JSON Data

JSON

{"cve": {"id": "CVE-2026-9925", "sourceIdentifier": "[email protected]", "published": "2026-05-28T23:16:50.600", "lastModified": "2026-05-29T17:14:31.493", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Use after free in ANGLE in Google Chrome prior to 148.0.7778.216 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:H/PR:N/UI:R/S:C/C:H/I:H/A:H", "baseScore": 8.3, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 1.6, "impactScore": 6.0}]}, "weaknesses": [{"source": "[email protected]", "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": "148.0.7778.216", "matchCriteriaId": "E59192D9-BF13-4B43-B69F-869A6BF83955"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*", "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA"}]}]}, {"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*", "versionEndExcluding": "148.0.7778.215", "matchCriteriaId": "875ACED4-0D6D-4BAA-8FAF-F13B5FEDF09A"}]}, {"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"}]}]}], "references": [{"url": "https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0877304591.html", "source": "[email protected]", "tags": ["Vendor Advisory", "Release Notes"]}, {"url": "https://issues.chromium.org/issues/500536458", "source": "[email protected]", "tags": ["Permissions Required"]}]}}