CVE-2026-84329 Information disclosure in Chrome

Medium 5.3 Published Updated

A confused deputy vulnerability in Chrome's CredentialProvider allows a compromised renderer to leak sensitive information via a crafted HTML page.

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-2026-84329?

CVE-2026-84329 is a medium-severity vulnerability in Google Chrome, published on 1 Sep 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

Confused deputy in CredentialProvider in Google Chrome on on Windows prior to 152.0.7977.75 allowed a remote attacker who had compromised the renderer process to leak sensitive information via a crafted HTML page. (Chromium security severity: Low)

Weakness: CWE-441

Which versions are affected by CVE-2026-84329?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2026-84329?

Upgrade to a fixed version.

Is CVE-2026-84329 being exploited?

There is no known exploitation of CVE-2026-84329 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-84329, ECHO-1f1f-10dc-2ead, GHSA-pp65-f62j-x6p7, MINI-m3r2-rqhh-492w.

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