CVE-2026-17778
Description
A flaw was found in Google Chrome. This use-after-free vulnerability in the Extensions component allows a remote attacker to execute arbitrary code within a sandbox. This can be exploited by convincing a user to install a specially crafted Chrome Extension.
Statement
This Important flaw in Google Chrome's Extensions component allows arbitrary code execution within the browser's sandbox. While user interaction is required to install a specially crafted Chrome Extension, the ability to execute code within the sandbox represents a significant security risk to the system.
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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