CVE-2026-11158 Code injection in Chrome

High 8.6 Published Updated

A local attacker can escape the sandbox and execute arbitrary code via a crafted AppleScript command in Chrome on Mac.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2026-11158?

CVE-2026-11158 is a high-severity code injection vulnerability in Google Chrome, published on 4 Jun 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

Insufficient validation of untrusted input in Downloads in Google Chrome on Mac prior to 149.0.7827.53 allowed a local attacker to potentially perform a sandbox escape via a crafted AppleScript command. (Chromium security severity: Medium)

Weakness: CWE-20

Which versions are affected by CVE-2026-11158?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2026-11158?

Upgrade to a fixed version.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2026-11158 being exploited?

There is no known exploitation of CVE-2026-11158 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-11158, ECHO-fc28-8fe9-ae21, GHSA-g859-48pm-cxfc, MINI-8xgm-hcv4-p2cq.

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