CVE-2026-87479: High severity Google Google Chrome vulnerability
Chromium CVE-2026-87479: Insufficient policy enforcement in Extensions
Other sources
Insufficient policy enforcement in Extensions 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-based (Microsoft Edge)to a version that resolves this vulnerability.Fixed in 153.0.8010.36
Event History
Frequently Asked Questions
What must an attacker achieve before this issue can be exploited?
The attacker must first compromise the Chrome renderer process and then use social engineering to get the target to interact with a crafted HTML page. The issue may then allow arbitrary code execution outside Chrome’s sandbox.
Which Chrome versions are affected?
Google Chrome versions prior to 153.0.8010.36 are affected.
Is visiting a crafted page alone sufficient for exploitation?
No. The available information states that exploitation also requires a compromised renderer process and social engineering.