CVE-2026-17976 Security feature bypass in Chrome
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.
Other vulnerabilities in Google Chrome
Sources
Also known as DEBIAN-CVE-2026-17976, ECHO-0a44-1fc3-0436, GHSA-pw8r-jwgp-h577, MINI-7rfr-3qgw-47vh.