CVE-2026-13029 Use after free in Chrome

High 7.5 Published Updated

An attacker can exploit heap corruption via a malicious extension to potentially execute arbitrary code in Google Chrome.

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-2026-13029?

CVE-2026-13029 is a high-severity use after free vulnerability in Google Chrome, published on 24 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

Use after free in Web Authentication in Google Chrome prior to 149.0.7827.197 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted Chrome Extension. (Chromium security severity: High)

Weakness: CWE-416

Which versions are affected by CVE-2026-13029?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2026-13029?

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-2026-13029 being exploited?

There is no known exploitation of CVE-2026-13029 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-13029, ECHO-f12b-6676-395c, GHSA-p9w8-5hg8-pp9p, MINI-m79m-x58j-99ww.

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