CVE-2026-16804

Description

A flaw was found in Google Chrome. A remote attacker, who has already compromised the browser's renderer process, could exploit a use-after-free vulnerability. This can be achieved by enticing a user to visit a specially crafted HTML page. Successful exploitation could allow the attacker to perform a sandbox escape, potentially gaining elevated privileges or further access to the underlying system.

Statement

This Important use-after-free vulnerability in Google Chrome's input processing could lead to a sandbox escape. While requiring a prior compromise of the renderer process and user interaction with a specially crafted HTML page, successful exploitation allows an attacker to bypass security boundaries, potentially gaining elevated privileges or further access to the system.

Understanding the Weakness (CWE)

Integrity

Technical Impact: Modify Memory; Execute Unauthorized Code or Commands

Write operations could cause memory corruption. In some cases, an adversary can modify control data such as return addresses in order to execute unexpected code.

Availability

Technical Impact: DoS: Crash, Exit, or Restart

Attempting to access out-of-range, invalid, or unauthorized memory could cause the product to crash.

Other

Technical Impact: Unexpected State

Subsequent write operations can produce undefined or unexpected results.

Frequently Asked Questions

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