CVE-2026-87446: Medium severity Google Chrome vulnerability
Chromium CVE-2026-87446: Incomplete cleanup in Extensions
Other sources
Incomplete cleanup in Extensions in Google Chrome prior to 153.0.8010.36 allowed a remote attacker leveraging social engineering to bypass system access restrictions via a crafted Chrome extension. (Chromium security severity: Medium)
— NVD
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/Chromium-based browsers (Edge via Chromium)to a version that resolves this vulnerability.Fixed in 153.0.8010.36 - Compensating control
Mitigate social-engineering risk for Chrome/Chromium extensions by restricting extension installation to trusted sources/users until updated to 153.0.8010.36 or later.
Event History
Frequently Asked Questions
Which Chrome installations are affected?
Google Chrome versions earlier than 153.0.8010.36 are affected.
What does an attacker need to exploit this issue?
The attacker must use social engineering to get the target to interact with a crafted Chrome extension. The issue can be exploited remotely and does not require the attacker to have prior local system access.