CVE-2026-8018 Security feature bypass in Chrome

High 8.1 Published Updated

A remote attacker can escape the browser sandbox via malicious network traffic in Chrome DevTools, requiring an upgrade to mitigate.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2026-8018?

CVE-2026-8018 is a high-severity vulnerability in Google Chrome, published on 6 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Insufficient policy enforcement in DevTools in Google Chrome prior to 148.0.7778.96 allowed a remote attacker to potentially perform a sandbox escape via malicious network traffic. (Chromium security severity: Low)

Weakness: CWE-693

Which versions are affected by CVE-2026-8018?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2026-8018?

Upgrade to a fixed version.

Is CVE-2026-8018 being exploited?

There is no known exploitation of CVE-2026-8018 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-8018, ECHO-9583-410e-12a5, GHSA-j96j-v243-5h5m, MINI-m7c8-p9x6-j4f5.

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