External risk intelligence

Google Chrome ANGLE Use After Free Sandbox Escape

CVE advisorySeverity: CRITICAL (CVSS 9.6)

CVE-2026-11065

This vulnerability is a client-side issue within a web browser's rendering engine (ANGLE). It requires a user to navigate to a specifically crafted webpage. As a client-side component, it is not an internet-facing service, gateway, or management portal, and therefore does not have a public attack surface.

Use After Free

Google Chrome

before 149.0.7827.53

Halo Surface Signal: 1 out of 5 — much less likely to be public-facing.

External exposure likelihood

Horizon Alert

Summary of the vulnerability and why it matters

A use-after-free vulnerability in ANGLE, a component of Google Chrome, could allow an attacker to escape the browser's sandbox. This could potentially lead to broader system compromise if a user visits a malicious webpage.

  • Browser vulnerability allows sandbox escape.
  • Potential for broader system impact.
  • Confirm relevance and user exposure.

Attack Path

How an attacker could exploit the issue

An attacker can leverage this vulnerability by luring a user to a malicious website. Once the user visits the page, a use-after-free flaw in the ANGLE graphics engine can be triggered, potentially leading to an escape from the browser's sandbox. This could allow the attacker to execute arbitrary code with elevated privileges.

  • Requires a compromised renderer process.
  • Triggered by a crafted HTML page.
  • Risk of sandbox escape.

Live Threat

Current exploitation, exposure, and threat context

A use-after-free vulnerability in ANGLE, a graphics engine used by Google Chrome, could allow a remote attacker to escape the browser's sandbox. This could occur when a user visits a malicious HTML page, potentially impacting the integrity and confidentiality of the system when supported by the advisory.

  • System data and user data at risk.
  • Exploited via a crafted HTML page.
  • Could lead to sandbox escape.

Operational Fix

Recommended remediation, mitigation, and detection steps

This vulnerability affects Google Chrome's ANGLE component, a client-side application. Responsibility for managing Chrome updates typically falls to endpoint management teams, or potentially individual users if devices are not centrally managed, with input from security teams to assess risk and coordinate patching. The first practical step is to identify all endpoints running affected Chrome versions, confirm their business criticality and network exposure, and then plan remediation during scheduled maintenance windows.

  • Endpoint management or security teams own remediation.
  • Verify affected Chrome versions and user exposure.
  • Schedule enterprise-wide updates during maintenance.

Supplementary metadata

Validate whether this threat affects your internet-facing exposure.

Halo Threat Intelligence helps prioritize remediation with Halo Surface Signal and H/A/L/O context. Start exposure validation with a free external attack surface trial.

Frequently asked questions

What is the ANGLE component in Google Chrome?

ANGLE is an open-source graphics engine abstraction layer integrated into Google Chrome. It translates high-level graphics API calls, such as OpenGL ES, into the native graphics APIs supported by the underlying operating system. This allows Chrome to render 3D content, web graphics, and hardware-accelerated elements consistently across diverse hardware and software environments.

What does CWE-416 mean for CVE-2026-11065?

CWE-416 refers to a Use After Free vulnerability. In technical terms, it occurs when a program continues to use a memory location after that memory has been freed or released. Because the memory may have been reallocated for a different purpose, accessing it can cause unpredictable behavior. In this CVE, that flaw resides within the ANGLE component, potentially allowing a compromise to break out of the browser's security sandbox.

How is this vulnerability triggered?

The vulnerability is triggered when a user visits a specifically crafted HTML page designed to exploit the memory management flaw. It does not trigger through background network traffic or automated system processes. It requires a user's active interaction with malicious content that compromises the renderer process, which then facilitates the sandbox escape.

Why does Halo Surface Signal rate this as unlikely to be internet-facing?

Halo Surface Signal identifies this as a client-side browser issue rather than an internet-facing server or gateway. Because the vulnerability lives inside the rendering engine and requires user navigation to a malicious site, it does not represent an exposed network service that an attacker could reach independently. The attack surface is tied to end-user browsing habits.

What is the first step to address this Chrome vulnerability?

The primary response is to update Google Chrome to version 149.0.7827.53 or higher. Administrators should inventory endpoints to identify systems running older versions. Since this is a client-side update, ensure that standard patch deployment cycles are utilized to push the browser update to all managed devices, effectively mitigating the risk of sandbox escape for your users.

References