External risk intelligence

Chrome Use After Free Vulnerability Allows Remote Code Execution

CVE advisorySeverity: CRITICAL (CVSS 9.6)

CVE-2026-102308

The vulnerability exists within the Google Chrome web browser and requires the user to be tricked via social engineering into visiting a crafted HTML page. As a client-side application, it is not a server, gateway, or internet-facing service that is public-facing by design, making it very unlikely to be exposed as a reachable attack surface in common network deployments.

Use After Free

Google Chrome

before 154.0.8037.92

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 vulnerability in the Chrome browser could allow attackers to execute malicious code on user devices through a carefully designed webpage, requiring social engineering to trick users into visiting it.

  • Browser flaw allows remote code execution.
  • Affects widely used web browsing technology.
  • Focus on user awareness and browser updates.

Attack Path

How an attacker could exploit the issue

An attacker could exploit this vulnerability by tricking a user into visiting a malicious website. This website would contain specially crafted HTML designed to trigger a use-after-free error within Chrome's rendering engine. Successful exploitation could allow the attacker to execute arbitrary code, bypassing Chrome's security sandbox.

  • Requires user interaction with a malicious webpage.
  • Triggered by rendering malicious HTML content.
  • Risk of arbitrary code execution outside the sandbox.

Live Threat

Current exploitation, exposure, and threat context

A "use after free" vulnerability in Chrome's Views component could allow a remote attacker to execute arbitrary code outside the browser's sandbox. This could happen if a user is tricked into visiting a malicious HTML page, which then exploits the flaw to run unauthorized commands.

  • Arbitrary code execution outside sandbox.
  • User visits crafted HTML page.
  • Compromise of user's device.

Operational Fix

Recommended remediation, mitigation, and detection steps

This vulnerability in Chrome's Views component requires user interaction via social engineering to exploit. Identifying affected systems is the primary step, focusing on user-facing devices and assessing their business criticality. Once confirmed, responsible teams, likely IT support or endpoint management, should coordinate with the Chrome enterprise support or vendor management to plan remediation.

  • Confirm endpoint inventory and reachability.
  • Identify accountable endpoint owners.
  • Plan user-impacting Chrome updates.

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 Google Chrome in the context of this CVE?

Google Chrome is a widely used web browser that renders HTML, CSS, and JavaScript to display websites. It includes a rendering engine and components like 'Views' to manage interface elements. This vulnerability specifically affects the Views component, which handles how browser windows and UI elements are drawn and organized during your web browsing sessions.

What does 'use after free' mean for this vulnerability?

A 'use after free' (CWE-416) occurs when software continues to use a piece of computer memory after it has been cleared or deleted. In CVE-2026-102308, an attacker uses a specially crafted webpage to trick the browser into referencing this invalid memory, potentially allowing them to bypass security protections and run unauthorized code on the host device.

How does an attacker trigger this Chrome vulnerability?

An attacker triggers this by using social engineering to lure a user into visiting a malicious HTML page. The browser does not automatically run this code just by being open; the specific sequence requires the user to actively navigate to the attacker's page. Simply browsing legitimate, trusted websites does not trigger this error.

Is my network at risk from this Chrome flaw?

Halo Surface Signal indicates this is very unlikely. Because Chrome is a client-side application rather than an internet-facing server or gateway, it does not provide a public-facing attack surface. The risk is limited to individual endpoints where a user might be tricked into visiting a malicious site, rather than a broad vulnerability of your network infrastructure.

What should I do if I use Google Chrome?

Your first step is to ensure your browser is updated to version 154.0.8037.92 or later. Check your browser settings to confirm the version and allow the automatic update process to complete. Additionally, exercise caution when clicking links from untrusted sources to avoid the social engineering tactics required to initiate this vulnerability.

References