CVE-2026-95340 Security feature bypass in Chrome

Medium 4.3 Published Updated

A remote attacker can bypass web origin policy in Google Chrome via a crafted HTML page, requiring social engineering to exploit.

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-2026-95340?

CVE-2026-95340 is a medium-severity vulnerability in Google Chrome, published on 29 Sep 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

Incorrect authorization in PictureInPicture in Google Chrome prior to 154.0.8037.57 allowed a remote attacker leveraging social engineering to bypass web origin policy via a crafted HTML page. (Chromium security severity: Low)

Weakness: CWE-863

Which versions are affected by CVE-2026-95340?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2026-95340?

Upgrade to a fixed version.

Is CVE-2026-95340 being exploited?

There is no known exploitation of CVE-2026-95340 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-95340, ECHO-9ebc-a69f-7728, GHSA-28qg-3gvj-3hwf, MINI-76w5-69xh-4m7r.

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