Externally Controlled Reference in WebView in Google Chrome on Android

Publication date: 2026-08-25

Last updated on: 2026-08-25

Assigner: Chrome

Description

Externally controlled reference in WebView in Google Chrome on on Android prior to 152.0.7977.65 allowed a remote attacker who had compromised the renderer process to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Medium)

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-08-25

Last Modified

2026-08-25

Generated

2026-08-26

AI Q&A

2026-08-26

EPSS Evaluated

N/A

NVD

CVE-2026-79256

Affected Vendors & Products

Vendor	Product	Version / Range
google	chrome	to 152.0.7977.65 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-610	The product uses an externally controlled name or reference that resolves to a resource that is outside of the intended control sphere.

Attack-Flow Graph

Executive Summary

This vulnerability involves a flaw in Google Chrome on Android where an attacker who compromised the renderer process could use a crafted HTML page to execute arbitrary code outside the sandbox via an externally controlled reference in WebView. The severity is rated as Medium by Chromium security.

Impact Analysis

If exploited, this vulnerability could allow an attacker to run malicious code on your device outside the browser's security sandbox, potentially leading to unauthorized access to your data or system.

Mitigation Strategies

Update Google Chrome on Android to version 152.0.7977.65 or later to address the vulnerability.

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