CVE-2026-106358 Use after free in Chrome

Critical 9.6 Published Updated

Remote attackers can execute arbitrary code outside the sandbox via a crafted HTML page 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-2026-106358?

CVE-2026-106358 is a critical use after free vulnerability in Google Chrome, published on 6 Oct 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 Navigation in Google Chrome prior to 155.0.8059.39 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical)

Weakness: CWE-416

Which versions are affected by CVE-2026-106358?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2026-106358?

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-2026-106358 being exploited?

There is no known exploitation of CVE-2026-106358 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-106358, ECHO-c774-b51e-635c, GHSA-vfxq-33hh-qfrf, MINI-g299-2c28-4cjh.

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