CVE-2026-3938 Information disclosure in Chrome

Medium 6.5 Published Updated

A remote attacker with compromised renderer access can leak cross-origin data 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-2026-3938?

CVE-2026-3938 is a medium-severity vulnerability in Google Chrome, published on 11 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 policy enforcement in Clipboard in Google Chrome prior to 146.0.7680.71 allowed a remote attacker who had compromised the renderer process to leak cross-origin data via a crafted HTML page. (Chromium security severity: Low)

Weakness: CWE-284

Which versions are affected by CVE-2026-3938?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2026-3938?

Upgrade to a fixed version.

Is CVE-2026-3938 being exploited?

There is no known exploitation of CVE-2026-3938 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-3938, GHSA-8h7v-3ch8-p4rg, MINI-3v6v-fgmj-8hgr.

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