CVE-2026-113238

Modified Modified - Updated After Analysis

Memory Corruption in CustomTabs in Google Chrome for Android

Publication date: 2026-10-20

Last updated on: 2026-11-03

Assigner: Chrome

Description

Information loss in CustomTabs in Google Chrome on on Android prior to 156.0.8078.47 allowed a remote attacker to potentially bypass web origin policy via a crafted HTML page. (Chromium security severity: Medium)

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

CVE-2026-113238

EUVD

EUVD-2026-105554

Affected Vendors & Products

Vendor	Product	Version / Range
google	chrome	to 156.0.8078.47 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-119	The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
CWE-221	The product does not record, or improperly records, security-relevant information that leads to an incorrect decision or hampers later analysis.

Attack-Flow Graph

Executive Summary

This vulnerability is a memory corruption issue in CustomTabs in Google Chrome on Android. It allows a remote attacker to execute arbitrary code inside the sandbox by tricking a user into visiting a specially crafted HTML page.

Detection Guidance

This vulnerability is specific to Google Chrome on Android prior to version 156.0.8078.47. To detect it, check your Chrome version in Settings > About Chrome. If it is below 156.0.8078.47, the system is vulnerable. Update Chrome immediately to the latest version to mitigate the risk.

Impact Analysis

An attacker could exploit this to run malicious code on your device, potentially stealing data, installing malware, or taking control of your browser session. Since it affects Chrome on Android, users of vulnerable versions are at risk.

Compliance Impact

This vulnerability could lead to unauthorized data access or exfiltration, violating GDPR (data protection) and HIPAA (health data privacy) requirements. Organizations using vulnerable Chrome versions may face compliance breaches if exploited.

Mitigation Strategies

Update Google Chrome on Android to version 156.0.8078.47 or later to address the memory corruption vulnerability in CustomTabs.

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