CVE-2026-121182: Google Chrome use after free in DOM

CVE-2026-121182 · Severity: high · CVSS 8.8 · Published 2026-11-03

Google Chrome is a web browser used by billions of users to access the internet. A use-after-free vulnerability in Chrome's DOM (Document Object Model) processing allows an attacker to execute arbitrary code by sending a victim a specially crafted web page, potentially leading to complete browser compromise and data theft. This vulnerability affects all users of Chrome versions prior to 157.0.8103.38 on Windows, Mac, and Linux.

Technologies: Google Chrome. Vendors: Google.

Quick answers

Is CVE-2026-121182 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-121182 being exploited in the wild.
How severe is CVE-2026-121182?
High severity, with a CVSS score of 8.8, published 3 November 2026.
Which products and versions are affected?
Google Chrome prior to 157.0.8103.38.
Is there a fix for CVE-2026-121182?
Yes: fixed in Chrome 157.0.8103.38 (Linux), 157.0.8103.39 (Windows/Mac). Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-121182 attacked?
It is attacked over the network, in a web application.
Am I affected by CVE-2026-121182?
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 157.0.8103.38 (Linux), 157.0.8103.39 (Windows/Mac)

Technical details

A use-after-free flaw in Chrome's DOM component allows remote code execution within the browser's sandbox when processing a malicious HTML page. The vulnerability requires no user authentication or special privileges, only that a user visits or is redirected to a malicious webpage. While sandboxed, successful exploitation could allow an attacker to read sensitive data, install malware, or pivot to other attack vectors.

Affected products

  • Google Chrome prior to 157.0.8103.38

Timeline

  • 2026-11-03: disclosed: Stable channel update published

References

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