CVE-2026-3545 Other in Chrome

Critical 9.6 Published Updated

A remote attacker can escape the browser sandbox via a crafted HTML page due to insufficient data validation in navigation.

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-2026-3545?

CVE-2026-3545 is a critical vulnerability in Google Chrome, published on 4 Mar 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

Insufficient data validation in Navigation in Google Chrome prior to 145.0.7632.159 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)

Weakness: CWE-20

Which versions are affected by CVE-2026-3545?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2026-3545?

Upgrade to a fixed version.

Is CVE-2026-3545 being exploited?

There is no known exploitation of CVE-2026-3545 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-3545, GHSA-x8x5-qwxv-2p9j, MINI-frr9-r6x8-x5g3.

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