CVE-2026-126908: Google Chrome type confusion in V8

CVE-2026-126908 · Severity: info · Published 2026-11-11

Google Chrome is a web browser used by billions of people worldwide. A type confusion vulnerability in Chrome's V8 JavaScript engine allows an attacker to execute malicious code within the browser's security sandbox by tricking users into visiting a crafted webpage, potentially leading to unauthorized access to sensitive data or system compromise.

Technologies: Google Chrome. Vendors: Google.

Quick answers

Is CVE-2026-126908 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-126908 being exploited in the wild.
How severe is CVE-2026-126908?
Informational severity, published 11 November 2026.
Which products and versions are affected?
Google Chrome prior to 157.0.8103.78.
Is there a fix for CVE-2026-126908?
Yes: fixed in 157.0.8103.78 and later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-126908 attacked?
It is attacked over the network.
Am I affected by CVE-2026-126908?
Check whether you run Google Chrome at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • Fixed in: 157.0.8103.78 and later

Technical details

A type confusion vulnerability in the V8 JavaScript engine (CVE-2026-126908) allows remote code execution within the Chrome sandbox via a specially crafted HTML page. The vulnerability requires user interaction (visiting a malicious website) and network access. Exploitation could allow an attacker to break out of or abuse the sandbox environment.

Affected products

  • Google Chrome prior to 157.0.8103.78

Timeline

  • 2026-11-11: disclosed

References

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