CVE-2026-87637: Google Chrome use-after-free in Extensions on Mac

CVE-2026-87637 · Severity: critical · CVSS 9.6 · Published 2026-09-09

Google Chrome is a web browser used by hundreds of millions of people worldwide to access websites and web applications. A vulnerability in the Extensions component allows a remote attacker to execute malicious code outside Chrome's security sandbox via a specially crafted webpage, potentially giving attackers full control of an affected user's computer and access to all stored passwords, files, and personal data.

Technologies: Apple macOS, Google Chrome. Vendors: Apple, Google.

Quick answers

Is CVE-2026-87637 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-87637 being exploited in the wild.
How severe is CVE-2026-87637?
Critical severity, with a CVSS score of 9.6, published 9 September 2026.
Which products and versions are affected?
Google Chrome prior to 153.0.8010.36.
Is there a fix for CVE-2026-87637?
A patch was published on 2026-09-08: Chrome 153.0.8010.36 released Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-87637 attacked?
It is attacked over the network, in a web application.
Am I affected by CVE-2026-87637?
Check whether you run Apple macOS or 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.

Technical details

This is a use-after-free vulnerability in the Extensions component of Google Chrome on macOS. A remote attacker can exploit this flaw by crafting a malicious HTML page that, when visited by a user, triggers the use-after-free condition and achieves arbitrary code execution outside the Chrome sandbox. The vulnerability affects Chrome versions prior to 153.0.8010.36/37 and was patched in that release. Exploitation does not require prior authentication or user interaction beyond visiting the malicious page.

Affected products

  • Google Chrome prior to 153.0.8010.36

Timeline

  • 2026-09-09: disclosed
  • 2026-09-08: patched: Chrome 153.0.8010.36 released

References

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