CVE-2026-13778 Use after free in Chrome
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.
Other vulnerabilities in Google Chrome
Sources
Also known as DEBIAN-CVE-2026-13778, ECHO-510a-961b-3b1d, GHSA-wh8g-jghw-8946, MINI-9g4g-r6vm-x567.