CVE-2026-8547

Description

Insufficient policy enforcement in Passwords in Google Chrome on Windows prior to 148.0.7778.168 allowed a remote attacker who had compromised the renderer process to perform privilege escalation 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 < 148.0.7778.168 (Windows)

PoC / Exploit Code

⚠ For Security Research Only

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

python

<!-- Proof of Concept for CVE-2026-8547 -->
<!-- Demonstrates the trigger via a crafted HTML page -->
<!DOCTYPE html>
<html>
<head>
    <title>CVE-2026-8547 PoC</title>
</head>
<body>
    <h3>Chrome Password Policy Insufficient Enforcement PoC</h3>
    <!-- Malicious input targeting the password component -->
    <input type="password" id="vuln_pwd" autocomplete="current-password">
    <script>
        // Exploit logic attempting to bypass policy enforcement
        // Note: Requires a compromised renderer process context
        const input = document.getElementById('vuln_pwd');
        try {
            // Simulate the specific interaction that triggers the privilege escalation
            // This is a conceptual representation of the crafted HTML payload
            input.value = "exploit_trigger";
            console.log("[+] Attempting to exploit insufficient policy enforcement...");
            // Further logic to escalate privileges would go here
        } catch (e) {
            console.log("[-] Exploit execution failed");
        }
    </script>
</body>
</html>

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2026-8547
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2026-8547
[3] CVE Details https://www.cvedetails.com/cve/CVE-2026-8547/
[4] VulDB https://vuldb.com/cve/CVE-2026-8547
[5] https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_12.html
[6] https://issues.chromium.org/issues/497632199

Raw JSON Data

JSON

{"cve": {"id": "CVE-2026-8547", "sourceIdentifier": "[email protected]", "published": "2026-05-14T20:17:15.607", "lastModified": "2026-05-14T21:19:23.923", "vulnStatus": "Awaiting Analysis", "cveTags": [], "descriptions": [{"lang": "en", "value": "Insufficient policy enforcement in Passwords in Google Chrome on Windows prior to 148.0.7778.168 allowed a remote attacker who had compromised the renderer process to perform privilege escalation 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": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-862"}]}], "references": [{"url": "https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_12.html", "source": "[email protected]"}, {"url": "https://issues.chromium.org/issues/497632199", "source": "[email protected]"}]}}