CVE-2026-17842 Security feature bypass in Chrome

Medium 6.5 Published Updated

Remote attackers can bypass same-origin policy in Chrome for iOS by tricking users into specific UI gestures on crafted HTML pages.

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-2026-17842?

CVE-2026-17842 is a medium-severity vulnerability in Google Chrome, published on 30 Jul 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

Inappropriate implementation in Chrome for iOS in Google Chrome on iOS prior to 151.0.7922.72 allowed a remote attacker who convinced a user to engage in specific UI gestures to bypass same origin policy via a crafted HTML page. (Chromium security severity: Medium)

Weakness: CWE-346

Which versions are affected by CVE-2026-17842?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2026-17842?

Upgrade to a fixed version.

Is CVE-2026-17842 being exploited?

There is no known exploitation of CVE-2026-17842 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-17842, ECHO-c166-2243-a830, GHSA-8737-76mx-jgwh, MINI-jv22-269q-6gq4.

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