CVE-2026-87564 Memory corruption in Chrome

Medium 4.3 Published Updated

A type confusion flaw in Chrome's V8 engine allows remote attackers to read memory inside 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-2026-87564?

CVE-2026-87564 is a medium-severity memory corruption 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

Type confusion in V8 in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to read memory inside the sandbox via a crafted HTML page. (Chromium security severity: High)

Weakness: CWE-843

Which versions are affected by CVE-2026-87564?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2026-87564?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2026-87564 being exploited?

There is no known exploitation of CVE-2026-87564 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as AZL-99999, DEBIAN-CVE-2026-87564, ECHO-827c-81e6-784f, GHSA-xgj9-x2g2-qrxc, MINI-w4h6-hwqp-92r7.

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