CVE-2026-87589
Description
A flaw was found in Chromium's SiteIsolation component. A remote attacker, who has already compromised the browser's renderer process, could exploit incorrect authorization by crafting a malicious HTML page. This could allow them to bypass system access restrictions.
Statement
Red Hat Product Security has determined that this vulnerability does not affect any currently supported Red Hat product. This assessment may evolve based on further analysis and discovery. For more information about this vulnerability and the products it affects, please see the linked references.
Understanding the Weakness (CWE)
Access Control
Technical Impact: Gain Privileges or Assume Identity
A user can access restricted functionality and/or sensitive information that may include administrative functionality and user accounts.
Frequently Asked Questions
Not sure what something means? Check out our Security Glossary.
Want to get errata notifications? Sign up here.