CVE-2026-87531 Information disclosure in Chrome

Low 3.1 Published Updated

A remote attacker with compromised renderer access can obtain cross-origin data via a crafted HTML page 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-2026-87531?

CVE-2026-87531 is a low-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

Information leak in CORS in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process to obtain cross-origin data via a crafted HTML page. (Chromium security severity: Medium)

Weakness: CWE-200

Which versions are affected by CVE-2026-87531?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2026-87531?

Upgrade to a fixed version.

Is CVE-2026-87531 being exploited?

There is no known exploitation of CVE-2026-87531 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-87531, ECHO-b232-7a4a-65ae, GHSA-mxc8-9v73-hv36, MINI-jmvq-2q7c-6c6q.

Is CVE-2026-87531 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free