CVE-2026-76040

Description

A flaw was found in chromium-browser. This use-after-free vulnerability allows a remote attacker, through social engineering, to execute arbitrary code outside of the sandbox by enticing a user to visit a specially crafted HTML page. This could lead to a complete compromise of the affected system.

Statement

This Important use-after-free vulnerability in chromium-browser allows a remote attacker to execute arbitrary code outside the browser's sandbox. Exploitation requires social engineering to entice a user to visit a specially crafted HTML page, making user interaction a prerequisite for a successful attack.

Understanding the Weakness (CWE)

Confidentiality

Technical Impact: Read Memory

If the expired pointer is used in a read operation, an attacker might be able to control data read in by the application.

Availability

Technical Impact: DoS: Crash, Exit, or Restart

If the expired pointer references a memory location that is not accessible to the product, or points to a location that is "malformed" (such as NULL) or larger than expected by a read or write operation, then a crash may occur.

Integrity,Confidentiality,Availability

Technical Impact: Execute Unauthorized Code or Commands

If the expired pointer is used in a function call, or points to unexpected data in a write operation, then code execution may be possible.

Frequently Asked Questions

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