External risk intelligence

ANGLE Sandbox Escape Vulnerability in Google Chrome

CVE advisorySeverity: CRITICAL (CVSS 9.6)

CVE-2026-13780

This vulnerability exists within the browser's renderer process and requires the user to visit a crafted HTML page. It is a client-side vulnerability rather than a service-side or network-exposed component, meaning it lacks direct public-facing internet exposure in the context of infrastructure or gateway services.

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 critical security vulnerability has been identified in ANGLE, a component used in Google Chrome. This issue could allow a remote attacker, who has already compromised the browser's renderer process, to escape the sandbox by luring a user to a malicious webpage. This could potentially lead to unauthorized access and control over the affected system.

Attackers can escape browser protections.
This matters if your users browse untrusted sites.
Confirm relevance and assess potential exposure.

Attack Path

How an attacker could exploit the issue

An attacker who has already compromised a web page's rendering process can exploit this vulnerability by tricking a user into visiting a specially crafted HTML page. This allows them to break out of the browser's security sandbox, potentially leading to broader system compromise.

Entry: Attacker compromises renderer process.
Trigger: User visits a crafted HTML page.
Risk: Sandbox escape with potential system compromise.

Live Threat

Current exploitation, exposure, and threat context

A remote attacker who has already compromised the renderer process could escape the sandbox by using a specially crafted HTML page. This could lead to the impact of system data, user data, or sensitive information being affected when supported by the advisory.

Sandbox escape from renderer process.
Crafted HTML page on a compromised system.
Potential for system or user data impact.

Operational Fix

Recommended remediation, mitigation, and detection steps

This vulnerability in ANGLE, affecting Google Chrome, likely falls under the purview of teams responsible for endpoint security, application delivery, or client software management. The initial focus should be on identifying all instances of the affected browser, assessing their exposure and criticality, and confirming the accountable owner for remediation planning.

Own the issue and affected endpoints.
Verify browser reachability and business criticality.
Plan and coordinate user-centric remediation.

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 a software layer within Google Chrome that translates various graphics API calls into formats understood by your computer's hardware, such as DirectX or Vulkan. It acts as a bridge, ensuring that web-based 3D content and graphics-intensive applications render correctly across different operating systems like Windows, macOS, and Linux.

What does CWE-20 mean for CVE-2026-13780?

CWE-20 refers to Improper Input Validation. In the context of this vulnerability, it means the ANGLE component fails to sufficiently check or sanitize data it receives. Because this input is not properly validated, an attacker can provide unexpected data that tricks the software into performing actions it was never intended to do, ultimately leading to a sandbox escape.

How is this sandbox escape triggered?

An attacker must first gain control over the browser's renderer process. Once that threshold is met, the attack is triggered when a user visits a specifically crafted HTML page designed to exploit the validation error. Simply having the browser open or viewing standard, legitimate websites does not trigger this vulnerability.

Do I need to worry if my systems aren't internet-facing?

Halo Surface Signal indicates this is a client-side vulnerability, not a service-side one. It relies on a user navigating to a malicious page, rather than an attacker directly targeting your infrastructure from the internet. While it lacks direct public-facing exposure, it remains a risk for any endpoint where users access web content.

What are the first steps to address this CVE?

Your priority should be identifying all endpoints running versions of Google Chrome older than 150.0.7871.47. Coordinate with your client software management teams to schedule and apply the necessary browser updates. Focus on validating that these updates reach all managed devices to ensure the sandbox protection is restored.

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.