CVE-2026-17976 Security feature bypass in Chrome

Medium 4.3 Published Updated

An attacker can bypass discretionary access control in Chrome extensions by using a crafted domain name, requiring user installation of a malicious extension.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2026-17976?

CVE-2026-17976 is a medium-severity vulnerability in Google Chrome, published on 30 Jul 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Insufficient policy enforcement in Extensions in Google Chrome prior to 151.0.7922.72 allowed an attacker who convinced a user to install a malicious extension to bypass discretionary access control via a crafted domain name. (Chromium security severity: Low)

Weakness: CWE-284

Which versions are affected by CVE-2026-17976?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2026-17976?

Upgrade to a fixed version.

Is CVE-2026-17976 being exploited?

There is no known exploitation of CVE-2026-17976 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-17976, ECHO-0a44-1fc3-0436, GHSA-pw8r-jwgp-h577, MINI-7rfr-3qgw-47vh.

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