CVE-2026-87487: High severity Google Chrome vulnerability
Chromium CVE-2026-87487: Missing authorization in FileSystem
Other sources
Missing authorization in FileSystem in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process and leveraged social engineering to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (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 (Microsoft Edge chromium-based)to a version that resolves this vulnerability.Fixed in 153.0.8010.36
Event History
Frequently Asked Questions
What must an attacker achieve before exploiting this issue?
The attacker must first compromise the Chrome renderer process and then leverage social engineering to get the target to interact with a crafted HTML page. The issue is therefore not described as a standalone, direct remote-code-execution path.
What is the potential impact after successful exploitation?
A successful exploit could allow arbitrary code execution outside Chrome's sandbox. This could turn a renderer compromise into a sandbox escape.
Which Chrome versions are affected?
Google Chrome versions prior to 153.0.8010.36 are affected. Updating to 153.0.8010.36 or later addresses the affected version range described.