CVE-2026-126918: Google Chrome use-after-free in Layout

CVE-2026-126918 · Severity: info · Published 2026-11-11

Google Chrome is a widely-used web browser. A use-after-free memory vulnerability in Chrome's Layout component allows an attacker to execute arbitrary code within the browser's sandbox by delivering a crafted HTML page. Successful exploitation could allow code execution with the privileges of the browsing process.

Technologies: Google Chrome. Vendors: Google.

Quick answers

Is CVE-2026-126918 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-126918 being exploited in the wild.
How severe is CVE-2026-126918?
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-2026-126918?
Yes: fixed in Chrome 157.0.8103.78 (Windows, Mac), 157.0.8103.78 (Linux). Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-126918 attacked?
It is attacked over the network, in a web application.
Am I affected by CVE-2026-126918?
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: Chrome 157.0.8103.78 (Windows, Mac), 157.0.8103.78 (Linux)

Technical details

A use-after-free vulnerability exists in the Layout rendering component of Google Chrome prior to version 157.0.8103.78. An attacker can trigger the vulnerability by crafting a malicious HTML page and causing a user to visit it; the memory corruption allows arbitrary code execution within the browser sandbox. This is a memory safety issue in a core rendering component.

Affected products

  • Google Chrome prior to 157.0.8103.78

Timeline

  • 2026-11-11: disclosed
  • 2026-11-11: patched

References

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