External risk intelligence

Type Confusion in Chrome Tint Allows Sandbox Escape

CVE advisorySeverity: CRITICAL (CVSS 9.6)

CVE-2026-14423

This vulnerability exists in a web browser, an application designed specifically to process untrusted content from the public internet. Because the software's primary function is to render web pages and interact with public network resources, it is inherently and commonly exposed to the internet in standard deployments.

Google Chrome

before 150.0.7871.46

Halo Surface Signal: 4 out of 5 — likely to be public-facing.

External exposure likelihood

Horizon Alert

Summary of the vulnerability and why it matters

A type confusion vulnerability in Google Chrome could allow a remote attacker to escape the browser's sandbox and execute code. This is a critical security flaw affecting a widely used application, requiring attention to understand its potential implications.

Browser flaw could allow code execution.
Matters due to widespread browser use.
Assess relevance and exposure to Chrome users.

Attack Path

How an attacker could exploit the issue

An attacker could craft a malicious web page to lure a user into visiting it. Once the user navigates to this page, a type confusion vulnerability in the Tint component of Google Chrome could be triggered, potentially leading to a sandbox escape.

Requires user to visit a malicious page.
Triggered by type confusion in Tint.
Risk of sandbox escape.

Live Threat

Current exploitation, exposure, and threat context

A type confusion vulnerability in Chrome's Tint component could allow an attacker to escape the browser's sandbox and potentially affect system data and user data when a user visits a malicious HTML page.

System and user data.
Via a crafted HTML page.
Sandbox escape.

Operational Fix

Recommended remediation, mitigation, and detection steps

This vulnerability affects Google Chrome, a widely used web browser, potentially impacting any user who navigates to a malicious website. The primary responsibility for addressing this lies with the Platform Engineering and Security Operations teams to identify and manage browser deployments. The initial step is to confirm the presence and reachability of the affected browser version across the organization and prioritize remediation based on user impact and business criticality.

Platform Engineering owns browser lifecycle management.
Verify user exposure to vulnerable versions.
Plan staged deployment of updated browsers.

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 Google Chrome and the Tint component?

Google Chrome is a web browser used to access the internet and render web content. Tint is a specific internal component within Chrome responsible for handling visual styling or color rendering. Because browsers constantly fetch and process data from unknown external sources, they rely on complex components like Tint to manage distinct types of information safely.

What does type confusion mean in CVE-2026-14423?

Type confusion, categorized as CWE-843, occurs when software accesses a resource using an incompatible type definition. In this context, the Tint component mistakenly treats data as a different type than it actually is. This logic error can lead to unpredictable behavior, allowing an attacker to bypass security boundaries, such as the browser's sandbox, which is designed to isolate web content from the underlying operating system.

How is this Chrome vulnerability triggered?

The flaw is triggered when a user navigates to a specially crafted, malicious HTML page designed to exploit the Tint component's logic error. This process requires a user to actively visit the dangerous site. Simply having the browser installed or running in the background without interacting with malicious web content will not trigger the vulnerability.

Do I need to worry about this vulnerability?

If you use Google Chrome, you should pay attention to this issue. According to Halo Surface Signal, Chrome is designed to process untrusted content from the public internet, making it inherently exposed. Because it is a primary tool for rendering web pages, nearly all deployments are considered internet-facing and could be targeted if users navigate to malicious content.

When should I update my browser to fix CVE-2026-14423?

You should prioritize updating as soon as possible to ensure your software is on version 150.0.7871.46 or later. The first step is to identify where the older version is running in your environment. Once the vulnerable systems are identified, plan a deployment to replace the outdated browser instances to mitigate the risk of sandbox escape and potential unauthorized data access.

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.