CVE-2026-87544: Critical severity Google Google Chrome vulnerability
Chromium CVE-2026-87544: Incorrect authorization in Extensions
Other sources
Incorrect authorization in Extensions in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to bypass system access restrictions into a privileged page via a crafted HTML page. (Chromium security severity: Low)
— MITRE
This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.
— Microsoft
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 153.0.4234.32 - Upgrade
Upgrade
Chromium/Google Chrome (via Microsoft Edge Chromium-based)to a version that resolves this vulnerability.Fixed in 153.0.8010.36
Event History
Frequently Asked Questions
What does an attacker need to exploit this issue?
The attacker needs to get a user to load a crafted HTML page. The issue is remotely exploitable through that page.
Which Chrome versions are affected?
Google Chrome versions prior to 153.0.8010.36 are affected. Version 153.0.8010.36 or later is not identified as affected by the provided information.
What is the potential impact?
A successful attack can bypass system access restrictions and reach a privileged page.