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