CVE-2026-13798 Memory corruption in Chrome

Critical 9.6 Published Updated

A heap buffer overflow in Chromecast allows a compromised renderer to escape the sandbox and execute code via a crafted HTML page.

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-2026-13798?

CVE-2026-13798 is a critical memory corruption vulnerability in Google Chrome, published on 30 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 Chromecast in Google Chrome prior to 150.0.7871.47 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-2026-13798?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2026-13798?

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-2026-13798 being exploited?

There is no known exploitation of CVE-2026-13798 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-13798, ECHO-210e-a2c3-2c8c, GHSA-9wxf-mr7j-397m, MINI-r37q-fx73-crqp.

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