Insufficient Policy Enforcement in Extensions in Google Chrome

Publication date: 2026-06-30

Last updated on: 2026-06-30

Assigner: Chrome

Description

Insufficient policy enforcement in Extensions in Google Chrome prior to 150.0.7871.47 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

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Meta Information

Published

2026-06-30

Last Modified

2026-06-30

Generated

2026-07-01

AI Q&A

2026-07-01

EPSS Evaluated

N/A

NVD

CVE-2026-14053

EUVD

EUVD-2026-40740

Affected Vendors & Products

Vendor	Product	Version / Range
google	chrome	150.0.7871.47

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-UNKNOWN

Attack-Flow Graph

Executive Summary

This vulnerability is an issue in Google Chrome versions prior to 150.0.7871.47 where there was insufficient policy enforcement in browser extensions. It allowed a remote attacker who had compromised the renderer process to leak cross-origin data by using a specially crafted HTML page.

Impact Analysis

The vulnerability could allow an attacker to leak data from different origins, potentially exposing sensitive information that should be isolated by the browser's security policies. This could lead to unauthorized access to private data through a compromised renderer process.

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