CVE-2026-87447: Medium severity Google Chrome vulnerability
Chromium CVE-2026-87447: Incorrect authorization in Network
Other sources
Incorrect authorization in Network in Google Chrome prior to 153.0.8010.36 allowed a remote attacker leveraging social engineering to bypass web origin policy via a crafted Chrome extension. (Chromium security severity: High)
— 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)to a version that resolves this vulnerability.Fixed in 153.0.8010.36 - Upgrade
Upgrade
Microsoft Edge (Chromium-based)to a version that resolves this vulnerability.Fixed in 153.0.8010.36
Event History
Frequently Asked Questions
Which Chrome versions need to be updated?
Google Chrome versions prior to 153.0.8010.36 are affected. Update Chrome to 153.0.8010.36 or later.
What does an attacker need to exploit this issue?
The attacker must use a crafted Chrome extension and rely on social engineering. The available information does not indicate that simply visiting a website is sufficient.
What is the security impact of successful exploitation?
Successful exploitation can bypass Chrome's web origin policy, which is intended to isolate content from different web origins.