CVE-2026-113134 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 execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)
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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 serves as a crucial translation layer, converting OpenGL ES API calls into native DirectX or Vulkan commands, thereby enabling web-based graphics applications and games to run across different hardware architectures without requiring specific driver implementations for every platform. This architectural role places it at the intersection of user-facing content rendering and low-level system interaction, making any instability within this component particularly dangerous as it directly impacts how graphical data is processed in memory before being sent to the GPU.
The core technical flaw involves improper handling of memory operations during the processing of crafted HTML pages containing maliciously constructed graphics commands or shader code. When a remote attacker hosts such a page and lures an unsuspecting user to visit it, the browser attempts to parse and execute these instructions through ANGLE. Due to insufficient bounds checking or incorrect pointer arithmetic within the library's internal routines, this process triggers a memory corruption event. This type of defect is typically categorized under CWE-120 Buffer Overflow or CWE-787 Out-of-bounds Write depending on whether the exploit overwrites adjacent memory structures or writes data beyond allocated heap regions. The specific nature of the corruption allows an attacker to manipulate control flow, potentially leading to arbitrary code execution within the context of the browser process.
The operational impact of this vulnerability is severe due to its remote exploitable nature and the high severity rating assigned by Chromium security teams. An attacker can craft a web page that, when rendered in Chrome on Windows, triggers the memory corruption flaw without any user interaction beyond visiting the URL or loading an embedded frame. This capability allows for the execution of arbitrary code inside the browser sandbox. While modern browsers employ robust sandboxing mechanisms to limit the damage caused by such exploits, achieving code execution within even a restricted environment can facilitate further attacks. These may include bypassing additional security layers, accessing sensitive local files if sandbox boundaries are breached, or establishing persistence on the victim's machine through subsequent exploitation steps that leverage the initial foothold gained via ANGLE.
This incident aligns with known attack patterns documented in industry frameworks such as MITRE ATT&CK, specifically relating to techniques involving memory corruption and arbitrary code execution within application processes. The vulnerability underscores the risks associated with complex software stacks where translation layers like ANGLE introduce additional complexity that can obscure subtle programming errors. To mitigate this risk, organizations must ensure that Google Chrome is updated to version 156.0.8078.47 or later on all Windows endpoints. Automated patch management systems should be configured to prioritize browser updates given the high prevalence of web-based attack vectors. Additionally, deploying endpoint detection and response solutions with behavioral analysis capabilities can help identify anomalous memory access patterns indicative of exploitation attempts targeting ANGLE or similar graphics libraries before full compromise occurs.