CVE-2026-14074 Information disclosure in Chrome
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.
Other vulnerabilities in Google Chrome
Sources
Also known as DEBIAN-CVE-2026-14074, ECHO-62c2-5370-040b, GHSA-gj72-r692-rhjx, MINI-xrc3-4jrx-g2x2.