Is CVE-2026-126899 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-126899 being exploited in the wild.

How severe is CVE-2026-126899?

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-2026-126899?

Yes: fixed in Chrome 157.0.8103.78 (Windows, Mac, Linux). Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

How is CVE-2026-126899 attacked?

It is attacked over the network, in a web application.

Am I affected by CVE-2026-126899?

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.

CVE-2026-126899: Google Chrome use after free in Elements

CVE-2026-126899 · 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 Elements component allows attackers to execute malicious code within Chrome's sandbox by tricking users into visiting a crafted webpage. Exploitation requires social engineering but could lead to data theft or system compromise.

Technologies: Google Chrome. Vendors: Google.

Quick answers

Is CVE-2026-126899 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-126899 being exploited in the wild.
How severe is CVE-2026-126899?: 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-2026-126899?: Yes: fixed in Chrome 157.0.8103.78 (Windows, Mac, Linux). Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-126899 attacked?: It is attacked over the network, in a web application.
Am I affected by CVE-2026-126899?: 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, Linux)

Technical details

A use-after-free vulnerability exists in Chrome's Elements component, exploitable via network delivery of a crafted HTML page without requiring authentication or special privileges. The vulnerability allows arbitrary code execution within the Chrome sandbox; attackers must leverage social engineering to trick users into visiting the malicious page. Chrome 157.0.8103.78 and later versions patch the issue.

Affected products

Google Chrome prior to 157.0.8103.78

Timeline

2026-11-11: disclosed

References

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