CVE-2026-10949 Memory corruption in Chrome
A heap buffer overflow in Chrome's video component allows a compromised renderer to escape the sandbox and execute arbitrary code.
- 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-2026-10949?
CVE-2026-10949 is a high-severity memory corruption 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
Heap buffer overflow in Video in Google Chrome prior to 149.0.7827.53 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-122
Which versions are affected by CVE-2026-10949?
It affects 1 product.
Products include Google Chrome.
How do I fix CVE-2026-10949?
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-2026-10949 being exploited?
There is no known exploitation of CVE-2026-10949 in the wild and no public exploit code.
Other vulnerabilities in Google Chrome
Sources
Also known as DEBIAN-CVE-2026-10949, ECHO-48fc-9ea5-db14, GHSA-8wxm-qw9g-rq3g, MINI-wjpj-87q6-4hw4.