CVE-2026-14074 Information disclosure in Chrome

Medium 6.5 Published Updated

A remote attacker can leak cross-origin data via a crafted HTML page due to side-channel leakage in WebAuthentication 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-2026-14074?

CVE-2026-14074 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

Side-channel information leakage in WebAuthentication in Google Chrome on iOS prior to 150.0.7871.47 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Low)

Weakness: CWE-1300

Which versions are affected by CVE-2026-14074?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2026-14074?

Upgrade to a fixed version.

Is CVE-2026-14074 being exploited?

There is no known exploitation of CVE-2026-14074 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-14074, ECHO-62c2-5370-040b, GHSA-gj72-r692-rhjx, MINI-xrc3-4jrx-g2x2.

Is CVE-2026-14074 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free