External risk intelligence

Chrome ANGLE Sandbox Escape Vulnerability

CVE advisorySeverity: CRITICAL (CVSS 9.6)

CVE-2026-14398

This vulnerability affects a client-side web browser. While it requires a crafted HTML page, the component (ANGLE) is part of the client software's rendering engine and not an internet-facing service, gateway, or network infrastructure component that is reachable or listening for traffic in typical real-world deployments.

Use After Free

Google Chrome

before 150.0.7871.46

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 security vulnerability has been identified in Google Chrome's ANGLE component that could allow a remote attacker to escape the browser's security sandbox through a malicious webpage. While the severity is rated critical, the main concern is confirming if this specific component is exposed in your environment.

A browser flaw allows potential unauthorized system access.
Critical severity but may not directly impact core systems.
Verify relevance; focus on understanding potential exposure.

Attack Path

How an attacker could exploit the issue

An attacker could lead a user to a malicious website containing a crafted HTML page. This page would then interact with the ANGLE component within the user's browser, triggering a use-after-free vulnerability. Successfully exploiting this could allow the attacker to escape the browser's sandbox.

Requires remote access and user interaction.
Triggered by a crafted HTML page.
Potential for sandbox escape.

Live Threat

Current exploitation, exposure, and threat context

A use-after-free vulnerability in ANGLE, a component within Google Chrome, could allow a remote attacker to escape the browser's sandbox. This is possible when a user visits a malicious HTML page, potentially leading to unauthorized access to system resources.

Browser sandbox escape.
Exploited by visiting a malicious page.
Potential system compromise.

Operational Fix

Recommended remediation, mitigation, and detection steps

This vulnerability in ANGLE, a component of Google Chrome, requires a remote attacker to trick a user into visiting a malicious HTML page to achieve a sandbox escape. Real-world impact typically falls to end-user device management and security teams, or potentially application owners if custom web applications are involved. The first practical step is to identify Chrome installations, confirm user exposure to untrusted web content, and plan for a stable channel update based on risk.

Ownership: End-user device and security teams.
Verify: User exposure to malicious web pages.
Action: Plan stable channel update.

Supplementary metadata

CVSS vector

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.

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Frequently asked questions

What is the ANGLE component in Google Chrome?

ANGLE is an open-source graphics engine component inside Google Chrome. It translates standard web graphics commands into formats understood by your computer's specific hardware, such as DirectX or OpenGL. By handling these complex visual tasks, it allows the browser to render 3D content and web graphics smoothly while maintaining security boundaries.

What does a use-after-free vulnerability mean in CVE-2026-14398?

This is a memory management error identified as CWE-416. It occurs when software continues to use a memory location after that memory has been cleared or released. If an attacker controls what is written into that specific spot before the browser tries to use it again, they can manipulate the program's behavior or crash it, potentially bypassing security controls.

How is this Chrome sandbox escape triggered?

The flaw is triggered when a user navigates to a specifically crafted HTML page designed to interact with the ANGLE component. The vulnerability is not triggered by simply having the browser installed or running in the background; it requires an active visit to a malicious webpage that forces the browser to mishandle the freed memory.

Is my organization at high risk from this CVE-2026-14398?

Halo Surface Signal notes that this is a client-side browser issue, not an internet-facing service or server-side infrastructure flaw. Since the component is part of the browser's local rendering engine and does not listen for incoming network traffic, it is generally considered less reachable for automated remote attacks compared to typical network services.

What should I do if I manage systems running Google Chrome?

The primary response is to plan an update to the stable release channel of Chrome, specifically version 150.0.7871.46 or higher, which addresses this flaw. Security and IT teams should focus on verifying where Chrome is deployed and identifying users who frequently browse external or untrusted content to prioritize the update rollout effectively.

References

Written by Nicholas Merritt

Nicholas Merritt is VP of Security Solutions at Halo Security. With more than 25 years across application security, vulnerability prioritization, and offensive security, he helps teams translate threat data into practical exposure validation and remediation focus. He authors Halo Threat Intelligence CVE advisories using Halo Surface Signal and H/A/L/O context to prioritize internet-facing risk.