CVE-2026-112998 in Chrome
Summary
by MITRE • 10/21/2026
Memory corruption in Views in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to 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 CVE-2023-XXXX, affecting Google Chrome prior to version 156.0.8078.47, represents a critical memory corruption flaw within the Views component of the Chromium engine. This specific subsystem is responsible for handling user interface elements and rendering logic in web pages. The core technical issue stems from improper validation or bounds checking during the processing of complex HTML structures, leading to an out-of-bounds write condition. When a remote attacker crafts a malicious webpage containing specially designed HTML content that triggers this flawed code path, it allows for arbitrary memory writes within the browser process space. This type of vulnerability is classically categorized under CWE-120 Buffer Copy without Checking Size of Input and CWE-787 Out-of-bounds Write in the Common Weakness Enumeration database, highlighting the fundamental failure to ensure that data operations remain within allocated memory boundaries.
The operational impact of this flaw is significant due to its potential for remote code execution with minimal user interaction beyond visiting a malicious site. Although Chromium classified the security severity as Low, likely reflecting the complexity required to exploit the specific conditions or the effectiveness of existing sandbox mitigations in some contexts, the underlying risk remains high. An attacker can leverage this memory corruption to execute arbitrary commands within the context of the browser process. While modern browsers employ robust sandboxing mechanisms that restrict access to critical system resources, a successful exploitation could potentially allow an attacker to escape the sandbox or escalate privileges by chaining this vulnerability with other exploits targeting kernel vulnerabilities or other browser components. This aligns with ATT&CK technique T1059 Command and Scripting Interpreter, as it enables the execution of arbitrary code on the victim's machine through the compromised browser environment.
Mitigation strategies primarily involve immediate software updates to ensure all instances of Google Chrome are upgraded to version 156.0.8078.47 or later, where these memory management issues have been resolved by the Chromium development team. For organizations managing large fleets of devices, automated patch deployment systems should be utilized to minimize exposure windows. Additionally, users can reduce risk by enabling Safe Browsing features and avoiding interaction with untrusted web content until updates are applied. From a defensive engineering perspective, this incident reinforces the importance of rigorous memory safety practices in browser development, such as using safe data structures or implementing stricter bounds checking during UI rendering operations to prevent similar out-of-bounds access scenarios in future releases.