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 an attacker who convinced a user to install a malicious extension to bypass content security policy via a crafted Chrome Extension. (Chromium security severity: Low)

CVSS Scores

EPSS Scores

Probability:
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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-2026-14047

EUVD

EUVD-2026-40734

Affected Vendors & Products

Vendor	Product	Version / Range
google	chrome	to 150.0.7871.47 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-UNKNOWN

Attack-Flow Graph

Executive Summary

This vulnerability involves insufficient policy enforcement in Google Chrome extensions prior to version 150.0.7871.47. It allows an attacker who convinces a user to install a malicious Chrome extension to bypass the browser's content security policy by using a specially crafted extension.

Impact Analysis

If exploited, this vulnerability could allow a malicious extension to bypass content security policies, potentially leading to unauthorized actions or data exposure within the browser environment. This could compromise user security and privacy if a user installs such a malicious extension.

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