Insufficient Policy Enforcement in WebAuthentication in Google Chrome on Android

Publication date: 2026-06-05

Last updated on: 2026-06-08

Assigner: Chrome

Description

Insufficient policy enforcement in WebAuthentication in Google Chrome on Android prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to leak cross-origin data via a crafted HTML page. (Chromium security severity: Low)

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-06-05

Last Modified

2026-06-08

Generated

2026-07-15

AI Q&A

2026-06-05

EPSS Evaluated

2026-07-14

NVD

CVE-2026-11263

Affected Vendors & Products

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

Helpful Resources

Exploitability

CWE

KEV

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.

Attack-Flow Graph

Executive Summary

This vulnerability is due to insufficient policy enforcement in the WebAuthentication feature of Google Chrome on Android versions prior to 149.0.7827.53. It allows a remote attacker who has compromised the renderer process to leak cross-origin data by using a specially crafted HTML page.

Impact Analysis

The impact of this vulnerability is that an attacker who has control over the renderer process can leak data from other origins, potentially exposing sensitive information that should be isolated by the browser's security policies.

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