CVE-2026-17749 Other in Chrome
A malicious Chrome extension can bypass the sandbox, allowing attackers to execute code with elevated privileges on the host system.
- 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-2026-17749?
CVE-2026-17749 is a critical 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 validation of untrusted input in Extensions in Google Chrome prior to 151.0.7922.72 allowed an attacker who convinced a user to install a malicious extension to potentially perform a sandbox escape via a crafted Chrome Extension. (Chromium security severity: Medium)
Weakness: CWE-20
Which versions are affected by CVE-2026-17749?
It affects 1 product.
Products include Google Chrome.
How do I fix CVE-2026-17749?
Upgrade to a fixed version.
Is CVE-2026-17749 being exploited?
There is no known exploitation of CVE-2026-17749 in the wild and no public exploit code.
Other vulnerabilities in Google Chrome
Sources
Also known as DEBIAN-CVE-2026-17749, ECHO-079c-7a5d-bd58, GHSA-m2g4-4j4w-r7q3, MINI-hx8j-3vr9-h3vj.