CVE-2026-18015 Security feature bypass in Chrome

Critical 9.6 Published Updated

A remote attacker can escape the browser sandbox on Mac via a crafted HTML page due to an inappropriate implementation in Tint.

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-2026-18015?

CVE-2026-18015 is a critical vulnerability in Google Chrome, published on 30 Jul 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

Inappropriate implementation in Tint in Google Chrome on Mac prior to 151.0.7922.72 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Low)

Weakness: CWE-693

Which versions are affected by CVE-2026-18015?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2026-18015?

Upgrade to a fixed version.

Is CVE-2026-18015 being exploited?

There is no known exploitation of CVE-2026-18015 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-18015, ECHO-d87b-3b51-6749, GHSA-jj82-hh8h-mw7q, MINI-5xjv-6jf5-fc8g.

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