CVE-2026-120931
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Out-of-Bounds Write in Google Chrome WebGL on Android

Publication date: 2026-11-03

Last updated on: 2026-11-03

Assigner: Chrome

Description
Out of bounds write in WebGL in Google Chrome on on Android prior to 156.0.8078.47 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical)

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Meta Information

Published
2026-11-03
Last Modified
2026-11-03
Generated
2026-11-04
AI Q&A
2026-11-04
EPSS Evaluated
N/A
NVD
CVE-2026-120931
EUVD
EUVD-2026-116384

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
Google Chrome 156.0.8078.47

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-787 The product writes data past the end, or before the beginning, of the intended buffer.

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Executive Summary

This vulnerability is an out-of-bounds write issue in WebGL within Google Chrome on Android. It allows a remote attacker to execute arbitrary code outside the sandbox by tricking a user into visiting a specially crafted HTML page. The flaw exists in Chrome versions prior to 156.0.8078.47.

Detection Guidance

Detection requires checking the installed version of Google Chrome on Android. Compare it against version 156.0.8078.47 or later. Use package manager commands like 'adb shell dumpsys package com.android.chrome | grep versionCode' to verify.

Impact Analysis

If exploited, this vulnerability could allow an attacker to run malicious code on your device, potentially stealing data, installing malware, or taking control of your system. It bypasses Chrome's sandbox protections, increasing the risk of serious harm.

Mitigation Strategies

Update Google Chrome on Android to version 156.0.8078.47 or later immediately. Disable WebGL temporarily if updates are not available, but this may impact functionality.

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