CVE-2026-113292 in Chrome
Summary
by MITRE • 10/21/2026
Improper input validation in Omnibox in Google Chrome on on Android prior to 156.0.8078.47 allowed a remote attacker to potentially execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Low)
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Analysis
by VulDB Data Team • 10/21/2026
The vulnerability identified as an improper input validation flaw within the Omnibox component of Google Chrome for Android, specifically in versions prior to 156.0.8078.47, represents a significant risk to user privacy and system integrity. The Omnibox serves as the unified address bar that handles both search queries and URL inputs, acting as the primary interface between the user and web content. When this component fails to adequately sanitize or validate input data provided by remote sources, it creates an entry point for malicious actors. In this specific instance, a remote attacker could exploit this weakness through a specially crafted HTML page designed to trigger malformed processing within the browser's rendering engine. The severity of this issue is classified as Low by Chromium security standards, indicating that while exploitation requires careful construction and potentially user interaction, it does not represent an immediate critical threat like memory corruption vulnerabilities in core system libraries.
From a technical perspective, the flaw stems from insufficient checks on data entering the Omnibox processing pipeline. When a user navigates to or interacts with a malicious webpage containing crafted HTML elements, the browser may process these inputs without verifying their structural integrity or safety against known attack patterns. This lack of rigorous validation allows an attacker to inject code that bypasses standard security controls. The ultimate goal of such an exploit is typically arbitrary code execution within the sandboxed environment where Chrome operates. While modern browsers employ robust sandboxing techniques to isolate web content from the host operating system, successful exploitation can still lead to a breach of this isolation layer. This could allow the attacker to execute commands with limited privileges associated with the browser process, potentially leading to data exfiltration or further lateral movement within the device's ecosystem if additional vulnerabilities are chained together.
The operational impact of this vulnerability is primarily centered on the potential for remote code execution and subsequent compromise of user data. Although the sandbox provides a critical defense-in-depth mechanism, any breach allows attackers to access sensitive information such as browsing history, cookies, saved passwords, or cached web content stored locally on the Android device. Furthermore, if the attacker can escalate privileges beyond the browser's restricted context, they might gain control over device features like camera, microphone, or location services without explicit user consent. This scenario aligns with common attack vectors described in industry frameworks such as CWE-20 Improper Input Validation and CWE-78 OS Command Injection. The exploitation path often mirrors techniques found in the MITRE ATT&CK framework under T1059 Command and Scripting Interpreter, where attackers use scripts or commands to execute actions on a compromised system.
Mitigation strategies for this vulnerability are straightforward given that it has been addressed in subsequent releases of Google Chrome. Users running Android devices with affected versions must update their browser application immediately to version 156.0.8078.47 or later, where the input validation logic within the Omnibox has been hardened. Beyond software updates, organizations and individual users should enforce strict content security policies that restrict inline scripts and untrusted sources from executing in the browser environment. Additionally, enabling automatic update notifications ensures that patches are applied promptly as they become available. Security awareness training can also help mitigate risk by educating users about the dangers of interacting with suspicious links or downloading files from unverified sources, thereby reducing the likelihood of encountering crafted HTML pages designed to exploit such input validation flaws.