CVE-2026-11691
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Insufficient Input Validation in Google Chrome New Tab Page Leads to Cross-Origin Data Leak

Publication date: 2026-06-09

Last updated on: 2026-06-09

Assigner: Chrome

Description
Insufficient validation of untrusted input in New Tab Page in Google Chrome prior to 149.0.7827.103 allowed a remote attacker who had compromised the renderer 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-2026-11691
EUVD
EUVD-2026-35217
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
google chrome 149.0.7827.103
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-20 The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
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Executive Summary

This vulnerability involves insufficient validation of untrusted input in the New Tab Page feature of Google Chrome versions prior to 149.0.7827.103. 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 sensitive data from other origins, potentially exposing private or confidential information that should be isolated by the browser's security model.

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