CVE-2026-113163
Modified Modified - Updated After Analysis

Use After Free in WebGL in Google Chrome on Android

Vulnerability report for CVE-2026-113163, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-10-20

Last updated on: 2026-11-03

Assigner: Chrome

Description

Buffer overflow in WebGL in Google Chrome on on Android prior to 156.0.8078.47 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)

CVSS Scores

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Meta Information

Published
2026-10-20
Last Modified
2026-11-03
Generated
2026-11-10
AI Q&A
2026-10-21
EPSS Evaluated
2026-11-08
NVD
EUVD

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
google chrome to 156.0.8078.47 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-416 The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.
CWE-122 A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().

Attack-Flow Graph

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Executive Summary

This vulnerability is a use-after-free issue in WebGL within Google Chrome on Android. A use-after-free occurs when a program continues to use memory after it has been freed, potentially leading to arbitrary code execution. An attacker could exploit this by crafting a malicious HTML page to trigger the flaw, allowing them to execute code inside Chrome's sandbox.

Detection Guidance

This vulnerability is specific to Google Chrome on Android prior to version 156.0.8078.47. Detection involves checking the installed Chrome version. Use the command 'chrome --version' on Android or inspect the app version in settings. If the version is below 156.0.8078.47, the system is vulnerable.

Impact Analysis

If exploited, this vulnerability could allow a remote attacker to run arbitrary code on your device through a malicious webpage. Since it affects Chrome on Android, visiting such a page might compromise your device or data, even if you're using the sandboxed environment. The high severity score indicates significant risk.

Compliance Impact

This vulnerability allows remote attackers to execute arbitrary code inside the sandbox via crafted HTML pages. Such code execution could lead to unauthorized access to sensitive data, which may violate GDPR's data protection requirements or HIPAA's safeguards for protected health information.

Mitigation Strategies

Update Google Chrome to version 156.0.8078.47 or later to address the use-after-free vulnerability in WebGL.

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