CVE-2026-11684
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Insufficient Policy Enforcement in Google Chrome Leads to Cross-Origin Data Leak

Publication date: 2026-06-09

Last updated on: 2026-06-09

Assigner: Chrome

Description
Insufficient policy enforcement in Network in Google Chrome prior to 149.0.7827.103 allowed a remote attacker who had compromised the utility process to leak cross-origin data via a crafted HTML page. (Chromium security severity: High)
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Meta Information
Published
2026-06-09
Last Modified
2026-06-09
Generated
2026-06-09
AI Q&A
2026-06-09
EPSS Evaluated
N/A
NVD
CVE-2026-11684
EUVD
EUVD-2026-35210
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
google chrome to 149.0.7827.103 (exc)
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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 due to insufficient policy enforcement in the Network component of Google Chrome versions prior to 149.0.7827.103. It allows a remote attacker, who has already compromised the utility process, to leak cross-origin data by using a specially crafted HTML page.

Impact Analysis

The vulnerability can lead to unauthorized disclosure of sensitive information across different origins in the browser. An attacker who exploits this flaw can access data that should be isolated, potentially exposing private or confidential information.

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