CVE-2026-9921
Undergoing Analysis Undergoing Analysis - In Progress
Uninitialized Use in WebGL in Google Chrome on Android

Publication date: 2026-05-28

Last updated on: 2026-06-01

Assigner: Chrome

Description
Uninitialized Use in WebGL in Google Chrome on Android prior to 148.0.7778.216 allowed a remote attacker to leak cross-origin information via a crafted HTML page. (Chromium security severity: High)
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Meta Information
Published
2026-05-28
Last Modified
2026-06-01
Generated
2026-06-19
AI Q&A
2026-05-29
EPSS Evaluated
2026-06-18
NVD
CVE-2026-9921
EUVD
EUVD-2026-33216
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
google chrome to 148.0.7778.216 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-457 The code uses a variable that has not been initialized, leading to unpredictable or unintended results.
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Executive Summary

This vulnerability is an uninitialized use issue in the WebGL component of Google Chrome on Android versions prior to 148.0.7778.216. It allows a remote attacker to leak cross-origin information by tricking a user into visiting a specially crafted HTML page.

Impact Analysis

The vulnerability can lead to unauthorized disclosure of information from other origins, potentially exposing sensitive data that should be isolated by the browser's security model. This could compromise user privacy and security by leaking data across different websites.

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