CVE-2026-12438
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Chrome Android WebView Sandbox Escape

Publication date: 2026-06-17

Last updated on: 2026-06-17

Assigner: Chrome

Description
Inappropriate implementation in WebView in Google Chrome on Android prior to 149.0.7827.155 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Critical)
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Meta Information
Published
2026-06-17
Last Modified
2026-06-17
Generated
2026-06-17
AI Q&A
2026-06-17
EPSS Evaluated
N/A
NVD
CVE-2026-12438
EUVD
EUVD-2026-37523
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
google chrome to 149.0.7827.155 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-693 The product does not use or incorrectly uses a protection mechanism that provides sufficient defense against directed attacks against the product.
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Executive Summary

This vulnerability is an inappropriate implementation in the WebView component of Google Chrome on Android versions prior to 149.0.7827.155. It allows a remote attacker who has already compromised the renderer process to potentially escape the sandbox environment by using a specially crafted HTML page.

Impact Analysis

The vulnerability can have critical impacts as it allows an attacker to escape the sandbox, which is a security mechanism designed to isolate processes. This could lead to the attacker gaining higher privileges, potentially allowing them to execute arbitrary code, access sensitive information, or take control of the affected device.

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