CVE-2026-87534: Critical severity Google Google Chrome vulnerability
Chromium CVE-2026-87534: Missing authorization in WebView
Other sources
Missing authorization in WebView in Google Chrome on on Android prior to 153.0.8010.36 allowed a remote attacker leveraging social engineering to bypass system access restrictions via crafted network traffic. (Chromium security severity: Medium)
— 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
Google Chrome on Androidto a version that resolves this vulnerability.Fixed in 153.0.8010.36
Event History
Frequently Asked Questions
Which deployments are affected?
Google Chrome on Android is affected when running a version earlier than 153.0.8010.36. The provided information does not identify any affected non-Android Chrome platforms.
What does an attacker need to exploit this issue?
Exploitation requires crafted network traffic and relies on social engineering. The vulnerability could allow a remote attacker to bypass system access restrictions through the affected WebView authorization behavior.
What is the remediation?
Update Google Chrome on Android to version 153.0.8010.36 or later.