CVE-2026-87529 Integer overflow in Chrome

Critical 9.6 Published Updated

A numeric truncation error in Chrome's Media component allows remote attackers to execute arbitrary code outside the sandbox 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-2026-87529?

CVE-2026-87529 is a critical 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

Numeric truncation error in Media in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Medium)

Weakness: CWE-197

Which versions are affected by CVE-2026-87529?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2026-87529?

Upgrade to a fixed version.

Is CVE-2026-87529 being exploited?

There is no known exploitation of CVE-2026-87529 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-87529, ECHO-28a1-13bf-b29b, GHSA-78jc-r3xh-4xw5, MINI-vm44-6fcc-pj53.

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