CVE-2026-106237 Information disclosure in Chrome

Critical 9.6 Published Updated

Remote attackers can bypass site isolation and leak information via crafted HTML pages 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-2026-106237?

CVE-2026-106237 is a critical 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

Information leak in Permissions in Google Chrome prior to 155.0.8059.39 allowed a remote attacker to bypass site isolation via a crafted HTML page. (Chromium security severity: Low)

Weakness: CWE-200

Which versions are affected by CVE-2026-106237?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2026-106237?

Upgrade to a fixed version.

Is CVE-2026-106237 being exploited?

There is no known exploitation of CVE-2026-106237 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-106237, ECHO-a16d-cf6f-6d0e, GHSA-3vqq-w895-v5vc, MINI-99mw-968c-m5hw.

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