CVE-2026-113288 in Chrome
Summary
by MITRE • 10/21/2026
Memory corruption in Core 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)
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Analysis
by VulDB Data Team • 10/22/2026
The vulnerability identified as CVE-2024-9348 represents a critical memory corruption flaw within the core rendering engine of Google Chrome, specifically affecting versions prior to 156.0.8078.47. This defect allows for arbitrary code execution by an attacker who can persuade a user to visit a maliciously crafted HTML page. The severity is classified as low by Chromium security standards, yet the potential impact remains significant due to the nature of memory corruption vulnerabilities which often serve as initial vectors for more complex attack chains involving privilege escalation or sandbox escape techniques.
At its technical core, this vulnerability stems from improper handling of memory allocation and deallocation processes within Chrome's internal structures. Memory corruption issues typically arise when a program writes data beyond the boundaries of an allocated buffer, overwrites adjacent memory locations, or accesses freed memory pointers that have not been properly nullified. In the context of web browsers, such flaws are frequently triggered through complex interactions between JavaScript engines and native C++ components during the parsing and rendering of HTML content. A crafted webpage can exploit these inconsistencies to corrupt heap structures, leading to control flow hijacking where an attacker gains the ability to execute arbitrary instructions within the browser process space.
The operational impact of this vulnerability is primarily centered on remote code execution capabilities. Although Chrome employs a multi-process architecture with sandboxing mechanisms designed to restrict the privileges of renderer processes, successful exploitation could potentially allow an attacker to bypass these protections or leverage other vulnerabilities in conjunction with this flaw to achieve higher levels of access. The ability to execute arbitrary code inside the sandbox means that sensitive data such as cookies, session tokens, and local files accessible to the browser profile could be exfiltrated without user interaction beyond visiting the malicious site. This underscores the persistent risk posed by memory safety issues even within heavily secured environments like modern web browsers.
From a classification perspective, this vulnerability aligns with CWE-120 Buffer Copy without Checking Size of Input and potentially CWE-416 Use After Free if the corruption involves dereferencing freed pointers. These categories highlight fundamental programming errors related to input validation and memory management lifecycle control. Furthermore, in terms of tactical behavior within an attack framework such as MITRE ATT&CK, this vulnerability facilitates initial access through tricking users into visiting malicious content (T1189) and enables execution via dynamic code injection or exploitation of binary vulnerabilities (T1055). The low severity rating likely reflects the difficulty of reliable exploitation in current browser configurations rather than a lack of potential harm.
Mitigation strategies for this vulnerability are straightforward but require timely action from both end-users and system administrators. The primary defense is to update Google Chrome to version 156.0.8078.47 or later, where the underlying memory management logic has been corrected by Chromium developers. Organizations should ensure that automatic updates are enabled for all endpoints within their network perimeter to minimize exposure windows. Additionally, deploying browser isolation technologies or web content filtering solutions can provide an additional layer of defense by preventing access to known malicious domains before they reach the vulnerable client application. Security awareness training remains crucial as social engineering tactics often accompany such exploits to lure victims into triggering the crafted HTML payloads.