CVE-2026-87589: Google Chrome vulnerability
Incorrect authorization in SiteIsolation in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process to bypass system access restrictions via a crafted HTML page. (Chromium security severity: Medium)
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 153.0.8010.36
Event History
Frequently Asked Questions
What must an attacker achieve before this issue can be exploited?
The attacker must first compromise the Chrome renderer process. The bypass is then triggered through a crafted HTML page.
Which Chrome versions need to be remediated?
Google Chrome versions prior to 153.0.8010.36 are affected. Update to 153.0.8010.36 or later.
Is this a standalone remote compromise vulnerability?
No. The described attack requires an already-compromised renderer process; the issue enables bypassing system access restrictions after that compromise.