CVE-2026-87566 Information disclosure in Chrome

Medium 5.3 Published Updated

A remote attacker can leak sensitive information via a crafted HTML page due to an observable layout discrepancy in Google Chrome.

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-2026-87566?

CVE-2026-87566 is a medium-severity vulnerability in Google Chrome, published on 9 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

Observable discrepancy in Layout in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to leak sensitive information via a crafted HTML page. (Chromium security severity: Medium)

Weakness: CWE-203

Which versions are affected by CVE-2026-87566?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2026-87566?

Upgrade to a fixed version.

Is CVE-2026-87566 being exploited?

There is no known exploitation of CVE-2026-87566 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-87566, ECHO-16d9-9681-5e2c, GHSA-4hcf-rvj5-9wv6, MINI-fx2v-6f4v-vxv6.

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