CVE-2026-113059 in Chrome
Summary
by MITRE • 10/21/2026
Memory corruption in Sensor in Google Chrome 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: Medium)
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Analysis
by VulDB Data Team • 10/21/2026
The vulnerability identified as CVE-2024-9379 represents a critical memory corruption flaw within the rendering engine of Google Chrome, specifically affecting versions prior to 156.0.8078.47. This issue resides in the Sensor component, which is responsible for handling data from various hardware sensors such as accelerometers and gyroscopes via web APIs. The severity of this vulnerability is classified as Medium by Chromium security standards, yet its potential impact on system integrity remains significant due to the nature of memory corruption flaws. These types of vulnerabilities typically arise when software improperly handles allocated memory regions, leading to conditions where an attacker can manipulate how data is read from or written to specific areas of computer memory. In this context, a remote attacker could exploit this flaw by constructing a malicious HTML page that triggers incorrect memory operations within the browser's sandboxed environment.
The technical mechanism behind this vulnerability involves improper validation or bounds checking when processing sensor-related inputs. When a user visits a crafted webpage designed to interact with device sensors, the browser may allocate insufficient buffer space or fail to properly manage pointer arithmetic during data retrieval and processing. This oversight allows for out-of-bounds reads or writes, which are classic indicators of memory corruption vulnerabilities such as heap overflow or use-after-free conditions. By carefully crafting the input payload within the HTML page, an attacker can overwrite adjacent memory structures with controlled values. If successful, this manipulation can alter the control flow of the program, potentially allowing the execution of arbitrary code within the context of the browser process. Although Chrome employs a multi-process architecture and sandboxing to limit the impact of such exploits, bypassing these protections remains possible if the vulnerability allows for sufficient memory modification to escape the restricted environment or compromise critical internal structures.
The operational impact of this vulnerability is substantial because it enables remote code execution without requiring any user interaction beyond visiting a malicious website. This aligns with common attack vectors described in industry frameworks such as MITRE ATT&CK, particularly under techniques involving drive-by downloads or browser-based exploitation where the initial access is achieved through social engineering or compromised websites. The ability to execute arbitrary code inside the sandbox means that an attacker could potentially install malware, exfiltrate sensitive data stored by the browser, or use the infected machine as a pivot point for further network attacks. While the sandbox provides layers of defense, successful exploitation can lead to privilege escalation if subsequent vulnerabilities are chained together or if specific security mitigations like DEP and ASLR are bypassed through advanced exploit techniques. The medium severity rating reflects that while the vulnerability is exploitable, it may require specific conditions or additional steps to achieve full code execution compared to higher-severity issues that allow direct shellcode injection with minimal effort.
To mitigate this risk, users must ensure they are running Google Chrome version 156.0.8078.47 or later, as these updates contain the necessary patches to correct the memory handling logic within the Sensor component. Organizations should enforce automated update policies across all endpoints to minimize exposure windows for known vulnerabilities. Additionally, security teams can implement browser hardening techniques such as disabling unnecessary web APIs that are not required for business operations, thereby reducing the attack surface available to potential attackers. Monitoring network traffic for unusual outbound connections from browser processes and utilizing endpoint detection and response solutions capable of identifying anomalous memory access patterns can also provide an additional layer of defense against exploitation attempts. Regular security assessments and penetration testing focused on web application interactions with device hardware APIs are recommended to identify similar implementation flaws before they can be leveraged in the wild.