CVE-2026-8515

Description

Use after free in HID in Google Chrome prior to 148.0.7778.168 allowed a remote attacker who convinced a user to engage in specific UI gestures 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 Concept for CVE-2026-8515 (Chrome HID UAF)
This demonstrates the interaction context required for the vulnerability.
Actual exploit requires specific memory layout and heap grooming.
-->
<!DOCTYPE html>
<html>
<head>
    <title>CVE-2026-8515 PoC</title>
</head>
<body>
    <h1>HID UAF Trigger Test</h1>
    <p>Click the button below to simulate the interaction.</p>
    <button id="triggerBtn">Trigger Interaction</button>
    <script>
        const btn = document.getElementById('triggerBtn');
        btn.addEventListener('click', async () => {
            try {
                // Attempt to access HID devices (requires permissions in real scenario)
                const devices = await navigator.hid.requestDevice({ filters: [] });
                console.log('Device interaction initiated');
                // Logic to trigger UAF would go here
                // e.g., manipulating DOM events while handling HID streams
            } catch (error) {
                console.log('HID not supported or permission denied (Expected in PoC simulation)');
            }
        });
    </script>
</body>
</html>

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2026-8515
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2026-8515
[3] CVE Details https://www.cvedetails.com/cve/CVE-2026-8515/
[4] VulDB https://vuldb.com/cve/CVE-2026-8515
[5] https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_12.html
[6] https://issues.chromium.org/issues/495999127

Raw JSON Data

JSON

{"cve": {"id": "CVE-2026-8515", "sourceIdentifier": "[email protected]", "published": "2026-05-14T20:17:12.200", "lastModified": "2026-05-14T22:16:45.847", "vulnStatus": "Awaiting Analysis", "cveTags": [], "descriptions": [{"lang": "en", "value": "Use after free in HID in Google Chrome prior to 148.0.7778.168 allowed a remote attacker who convinced a user to engage in specific UI gestures 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/495999127", "source": "[email protected]"}]}}