CVE-2026-87598: Medium severity Google Chrome vulnerability
Chromium CVE-2026-87598: Incorrect authorization in ServiceWorker
Other sources
Incorrect authorization in ServiceWorker in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to bypass web origin policy 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 (chromium-based)to a version that resolves this vulnerability.Fixed in 153.0.8010.36
Event History
Frequently Asked Questions
Who is exposed to this issue?
Users of Google Chrome versions before 153.0.8010.36 are affected. Exploitation requires a user to load an attacker-crafted HTML page.
What security boundary could an attacker bypass?
The issue allows bypass of the web origin policy through incorrect authorization in ServiceWorker. The vulnerability is classified as Low severity by Chromium.
What version addresses the vulnerability?
Update Google Chrome to version 153.0.8010.36 or later.