CVE-2026-11638 Use after free in Chrome
A remote attacker can execute arbitrary code and escape the sandbox via a crafted HTML page in Google Chrome.
- 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-2026-11638?
CVE-2026-11638 is a critical use after free vulnerability in Google Chrome, published on 8 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 Printing in Google Chrome prior to 149.0.7827.103 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Critical)
Weakness: CWE-416
Which versions are affected by CVE-2026-11638?
It affects 1 product.
Products include Google Chrome.
How do I fix CVE-2026-11638?
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-2026-11638 being exploited?
There is no known exploitation of CVE-2026-11638 in the wild and no public exploit code.
Other vulnerabilities in Google Chrome
Sources
Also known as DEBIAN-CVE-2026-11638, ECHO-cdc9-3ef9-a11b, GHSA-4h64-69gw-4pgg, MINI-5fwr-rjp6-vf22.