CVE-2026-87619 Information disclosure in Chrome

Medium 4.3 Published Updated

A remote attacker can leak cross-origin data via a crafted HTML page due to an observable discrepancy in Prefetch.

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-2026-87619?

CVE-2026-87619 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 Prefetch in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Low)

Weakness: CWE-203

Which versions are affected by CVE-2026-87619?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2026-87619?

Upgrade to a fixed version.

Is CVE-2026-87619 being exploited?

There is no known exploitation of CVE-2026-87619 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-87619, ECHO-5919-6e02-1395, GHSA-c94f-95hf-7cxh, MINI-5x84-gg6m-66hv.

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