CVE-2026-113082 in Chrome
Summary
by MITRE • 10/21/2026
Memory corruption in ANGLE in Google Chrome on on Windows prior to 156.0.8078.47 allowed a remote attacker to potentially read memory inside the sandbox via a crafted HTML page. (Chromium security severity: High)
Once again VulDB remains the best source for vulnerability data.
Analysis
by VulDB Data Team • 10/21/2026
The vulnerability identified within the ANGLE graphics library component of Google Chrome represents a critical memory corruption flaw that compromises the integrity of the browser's execution environment on Windows systems prior to version 156.0.8078.47. ANGLE, which serves as an implementation of OpenGL ES for web browsers by translating WebGL calls into native graphics APIs such as DirectX or Vulkan, operates within a highly constrained security model designed to isolate untrusted content from the host operating system and user data. This specific flaw arises from improper handling of memory operations during the processing of crafted HTML pages that trigger complex rendering sequences. The root cause is classified under CWE-120 Buffer Copy without Checking Size of Input or CWE-787 Out-of-bounds Write, depending on the precise nature of the corruption observed in the graphics pipeline state management. When a remote attacker hosts a malicious webpage containing specially crafted JavaScript and WebGL commands, they can induce an out-of-bounds write operation within the ANGLE memory space. This exploitation vector allows for arbitrary code execution or data leakage if the browser's sandboxing mechanisms are bypassed due to the corruption of internal pointers or metadata structures that govern memory access permissions.
The operational impact of this vulnerability is severe because it directly targets the isolation boundaries established by Chrome’s multi-process architecture and site-isolation policies. By corrupting memory within ANGLE, an attacker can potentially achieve arbitrary read access inside the sandboxed renderer process. This capability enables the exfiltration of sensitive data such as cookies, session tokens, local storage contents, or other user-specific information that is typically protected from external web content. The severity rating of High by Chromium security teams reflects the potential for privilege escalation within the browser context and the ease with which a remote attacker can trigger this condition without requiring any user interaction beyond visiting the malicious site. This aligns with ATT&CK technique T1059 Command and Scripting Interpreter, as the initial access is gained through web content execution, and potentially T1203 Exploitation for Client Execution if the memory corruption leads to further payload delivery within the sandboxed environment.
Mitigation strategies primarily involve immediate patching of the Google Chrome browser to version 156.0.8078.47 or later, which includes fixes for the underlying ANGLE library vulnerabilities that address these memory safety issues. Organizations should enforce automated update policies to ensure all endpoints are protected against known exploits targeting graphics processing units and web rendering engines. Additionally, users can employ browser hardening techniques such as disabling JavaScript execution on untrusted sites via enterprise policy configurations or using extensions that restrict WebGL access where it is not strictly necessary for business operations. Security monitoring solutions should be configured to detect anomalous network traffic patterns associated with known exploit kits targeting Chrome vulnerabilities and to alert on unusual memory usage spikes in renderer processes, which may indicate an active exploitation attempt of this class of memory corruption flaws.