CVE-2026-87533 Use after free in Chrome

High 8.1 Published Updated

A local attacker can execute arbitrary code outside the sandbox via a local program exploiting a use-after-free in Chrome DevTools.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2026-87533?

CVE-2026-87533 is a high-severity use after free vulnerability in Google Chrome, published on 9 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Use after free in DevTools in Google Chrome prior to 153.0.8010.36 allowed a local attacker to execute arbitrary code outside the sandbox via a local program. (Chromium security severity: Medium)

Weakness: CWE-416

Which versions are affected by CVE-2026-87533?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2026-87533?

Upgrade to a fixed version.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2026-87533 being exploited?

There is no known exploitation of CVE-2026-87533 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-87533, ECHO-f587-1744-aa8d, GHSA-5m8f-rf4q-hwpw, MINI-9276-xvg6-pg25.

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