CVE-2026-13862 Information disclosure in Chrome

Medium 6.5 Published Updated

An attacker in a privileged network position can leak cross-origin data via a crafted HTML page in Chrome on iOS.

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-2026-13862?

CVE-2026-13862 is a medium-severity vulnerability in Google Chrome, published on 30 Jun 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 Web Authentication (Passkeys & Security Keys) in Google Chrome on iOS prior to 150.0.7871.47 allowed an attacker in a privileged network position to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)

Weakness: CWE-693

Which versions are affected by CVE-2026-13862?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2026-13862?

Upgrade to a fixed version.

Is CVE-2026-13862 being exploited?

There is no known exploitation of CVE-2026-13862 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-13862, ECHO-0b4b-b72f-82d7, GHSA-2m65-xxr3-mhcv, MINI-j49w-j798-q4xc.

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