CVE-2026-17888 Other in Chrome

High 7.1 Published Updated

A remote attacker can escape the browser sandbox via malicious network traffic due to insufficient input validation in the WebUI.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2026-17888?

CVE-2026-17888 is a high-severity vulnerability in Google Chrome, published on 30 Jul 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Insufficient validation of untrusted input in WebUI in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to potentially perform a sandbox escape via malicious network traffic. (Chromium security severity: Medium)

Weakness: CWE-20

Which versions are affected by CVE-2026-17888?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2026-17888?

Upgrade to a fixed version.

Is CVE-2026-17888 being exploited?

There is no known exploitation of CVE-2026-17888 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-17888, ECHO-c01d-9e87-c0a5, GHSA-4g93-9mx8-6qjj, MINI-pf2r-m588-6rg9.

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