CVE-2026-11009 Use after free in Chrome
A remote attacker can escape the sandbox and execute code via a crafted HTML page exploiting a use-after-free in Chrome's USB handling.
- 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-2026-11009?
CVE-2026-11009 is a critical use after free vulnerability in Google Chrome, published on 4 Jun 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
Use after free in USB in Google Chrome on Windows prior to 149.0.7827.53 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Medium)
Weakness: CWE-416
Which versions are affected by CVE-2026-11009?
It affects 1 product.
Products include Google Chrome.
How do I fix CVE-2026-11009?
Upgrade to a fixed version.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2026-11009 being exploited?
There is no known exploitation of CVE-2026-11009 in the wild and no public exploit code.
Other vulnerabilities in Google Chrome
Sources
Also known as DEBIAN-CVE-2026-11009, ECHO-b3e0-3622-7c36, GHSA-h2r6-4fc2-h3jv, MINI-66gv-v572-wphp.