CVE-2026-19138 Memory corruption in Chrome

High 8.3 Published Updated

A heap buffer overflow in Chrome's CrashReporting allows remote attackers 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-2026-19138?

CVE-2026-19138 is a high-severity memory corruption vulnerability in Google Chrome, published on 6 Aug 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 CrashReporting in Google Chrome prior to 151.0.7922.109 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-2026-19138?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2026-19138?

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-2026-19138 being exploited?

There is no known exploitation of CVE-2026-19138 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-19138, ECHO-9e15-adc7-8f8f, GHSA-vjrx-hgqp-mr6x, MINI-pgxw-m6hh-2p74.

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