CVE-2026-17755 Other in Chrome

Medium 4.3 Published Updated

An attacker can perform UI spoofing by convincing a user to install a malicious Chrome extension, bypassing security indicators.

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-2026-17755?

CVE-2026-17755 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

Incorrect security UI in Extensions in Google Chrome prior to 151.0.7922.72 allowed an attacker who convinced a user to install a malicious extension to perform UI spoofing via a crafted Chrome Extension. (Chromium security severity: Medium)

Weakness: CWE-451

Which versions are affected by CVE-2026-17755?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2026-17755?

Upgrade to a fixed version.

Is CVE-2026-17755 being exploited?

There is no known exploitation of CVE-2026-17755 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-17755, ECHO-16df-178e-14a2, GHSA-6vmp-jgfm-6r3v, MINI-xx2q-mj2w-cxxr.

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