CVE-2026-113330

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

Incorrect authorization in CustomTabs in Google Chrome on on Android prior to 156.0.8078.47 allowed a local attacker to obtain cross-origin data via a co-installed app. (Chromium security severity: Low)

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-2026-113330

EUVD

EUVD-2026-105709

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-863	The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.

Attack-Flow Graph

Executive Summary

Memory corruption in CustomTabs in Google Chrome on Android prior to 156.0.8078.47 allows a remote attacker to execute arbitrary code inside the sandbox by tricking a user into visiting a crafted HTML page. The vulnerability arises from improper memory handling in the CustomTabs component.

Detection Guidance

This vulnerability is specific to Google Chrome on Android and requires checking the installed version. Run 'chrome --version' or check 'chrome://settings/help' in the browser to verify if the version is prior to 156.0.8078.47. If outdated, update Chrome immediately.

Impact Analysis

This vulnerability could allow an attacker to run malicious code on your device even if you are using Chrome's sandbox protections. It may lead to unauthorized access to sensitive data, installation of malware, or further exploitation of your system.

Compliance Impact

This vulnerability involves memory corruption in CustomTabs in Google Chrome on Android, potentially allowing arbitrary code execution inside the sandbox via a crafted HTML page. While it does not directly address compliance standards like GDPR or HIPAA, such vulnerabilities could lead to unauthorized data access or processing, which may violate these regulations if exploited.

Mitigation Strategies

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

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