Chrome Mac Sandbox Escape via AppleScript in Downloads

Publication date: 2026-06-04

Last updated on: 2026-06-08

Assigner: Chrome

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)

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-06-04

Last Modified

2026-06-08

Generated

2026-07-15

AI Q&A

2026-06-05

EPSS Evaluated

2026-07-14

NVD

CVE-2026-11158

EUVD

EUVD-2026-34619

Affected Vendors & Products

Vendor	Product	Version / Range
google	chrome	to 149.0.7827.53 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-20	The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

Attack-Flow Graph

Executive Summary

This vulnerability involves insufficient validation of untrusted input in the Downloads component of Google Chrome on Mac systems prior to version 149.0.7827.53. A local attacker could exploit this by crafting a malicious AppleScript command, potentially allowing them to escape the browser's sandbox environment.

Impact Analysis

The impact of this vulnerability is that a local attacker could bypass the sandbox protections of Google Chrome on Mac. This sandbox escape could allow the attacker to execute arbitrary commands or code on the host system with elevated privileges, potentially compromising system security.

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