CVE-2026-8514

Description

Use after free in Aura in Google Chrome prior to 148.0.7778.168 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Critical)

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)

No configuration data available.

Google Chrome < 148.0.7778.168

PoC / Exploit Code

⚠ For Security Research Only

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

python

<!--
PoC for CVE-2026-8514 (Conceptual)
This HTML page attempts to trigger the UAF vulnerability in Aura component.
Note: This requires a prior renderer compromise to be effective as a sandbox escape.
-->
<!DOCTYPE html>
<html>
<head>
    <title>CVE-2026-8514 PoC</title>
    <script>
        function trigger_uaf() {
            // Setup objects to manipulate Aura references
            let vuln_obj = document.createElement('div');
            // ... specific manipulation logic to trigger use-after-free ...
            
            // Attempt to access freed memory
            try {
                vuln_obj.style.transform = 'rotate(0deg)'; // Potential trigger
            } catch(e) {
                console.log("Exception caught: " + e);
            }
        }
        
        window.onload = function() {
            trigger_uaf();
        };
    </script>
</head>
<body>
    <h1>Testing CVE-2026-8514</h1>
</body>
</html>

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2026-8514
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2026-8514
[3] CVE Details https://www.cvedetails.com/cve/CVE-2026-8514/
[4] VulDB https://vuldb.com/cve/CVE-2026-8514
[5] https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_12.html
[6] https://issues.chromium.org/issues/495948109

Raw JSON Data

JSON

{"cve": {"id": "CVE-2026-8514", "sourceIdentifier": "[email protected]", "published": "2026-05-14T20:17:12.087", "lastModified": "2026-05-14T22:16:45.703", "vulnStatus": "Awaiting Analysis", "cveTags": [], "descriptions": [{"lang": "en", "value": "Use after free in Aura in Google Chrome prior to 148.0.7778.168 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Critical)"}], "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"}]}], "references": [{"url": "https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_12.html", "source": "[email protected]"}, {"url": "https://issues.chromium.org/issues/495948109", "source": "[email protected]"}]}}