CVE-2026-13778 Use after free in Chrome

High 7.8 Published Updated

A local attacker can execute arbitrary code via a malicious peripheral due to a use-after-free flaw in Chrome's WebUSB implementation on Mac.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2026-13778?

CVE-2026-13778 is a high-severity use after free vulnerability in Google Chrome, published on 30 Jun 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

Use after free in WebUSB in Google Chrome on Mac prior to 150.0.7871.47 allowed a local attacker to execute arbitrary code via a malicious peripheral. (Chromium security severity: Critical)

Weakness: CWE-416

Which versions are affected by CVE-2026-13778?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2026-13778?

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-2026-13778 being exploited?

There is no known exploitation of CVE-2026-13778 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-13778, ECHO-510a-961b-3b1d, GHSA-wh8g-jghw-8946, MINI-9g4g-r6vm-x567.

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