CVE-2026-126911: Google Chrome use after free in Accessibility

CVE-2026-126911 · Severity: info · Published 2026-11-11

Google Chrome is a web browser used by billions of people worldwide. A use-after-free vulnerability in the accessibility subsystem allows an attacker to execute arbitrary code inside the browser's sandbox via a crafted HTML page, potentially giving an attacker code execution on a user's system.

Technologies: Google Chrome. Vendors: Google.

Quick answers

Is CVE-2026-126911 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-126911 being exploited in the wild.
How severe is CVE-2026-126911?
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-2026-126911?
Yes: fixed in Chrome 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-2026-126911 attacked?
It is attacked over the network, in a web application.
Am I affected by CVE-2026-126911?
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 and later

Technical details

A use-after-free vulnerability exists in Chrome's Accessibility component prior to version 157.0.8103.78. An attacker can exploit this by crafting a malicious HTML page that, when loaded, causes arbitrary code execution within the sandbox environment. The vulnerability affects Chrome's memory management in the accessibility subsystem.

Affected products

  • Google Chrome prior to 157.0.8103.78

Timeline

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

References

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