CVE-2026-6311 Memory corruption in Chrome
A remote attacker with compromised renderer access can escape the sandbox via uninitialized memory use in Chrome on Windows.
- 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-2026-6311?
CVE-2026-6311 is a high-severity memory corruption vulnerability in Google Chrome, published on 15 Apr 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
Uninitialized Use in Accessibility in Google Chrome on Windows prior to 147.0.7727.101 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)
Weakness: CWE-457
Which versions are affected by CVE-2026-6311?
It affects 1 product.
Products include Google Chrome.
How do I fix CVE-2026-6311?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-6311 being exploited?
There is no known exploitation of CVE-2026-6311 in the wild and no public exploit code.
Other vulnerabilities in Google Chrome
Sources
Also known as DEBIAN-CVE-2026-6311, GHSA-vhh6-f54w-x5gw, MINI-pw2w-867x-r3mp.