CVE-2026-9124
Analyzed Analyzed - Analysis Complete
Chrome 148 Cross-Origin Data Leak via Malicious HTML

Publication date: 2026-05-20

Last updated on: 2026-06-05

Assigner: Chrome

Description
Insufficient validation of untrusted input in Input in Google Chrome on prior to 148.0.7778.179 allowed a remote attacker who had compromised the renderer process to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)
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Meta Information
Published
2026-05-20
Last Modified
2026-06-05
Generated
2026-06-10
AI Q&A
2026-05-20
EPSS Evaluated
2026-06-08
NVD
CVE-2026-9124
EUVD
EUVD-2026-31174
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
google chrome to 148.0.7778.178 (exc)
Helpful Resources
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 Google Chrome versions prior to 148.0.7778.179. It allows a remote attacker who has already compromised the renderer 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 exploiting this flaw could leak data from other websites or web applications that the user has open, potentially exposing private or confidential information.

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