Product:
Windows TCP/IP
Summary
Use after free in Windows TCP/IP allows an unauthorized attacker to disclose information over a network. This vulnerability can lead to significant confidentiality impacts, making sensitive information accessible to attackers. It is classified as having a high severity due to the potential for unauthorized data exposure.
Details
| Severity | Base Score | CVE |
|---|---|---|
| HIGH | 7.5 | CVE-2026-40406 |
Exploitation
To exploit this vulnerability, an attacker can send specially crafted network packets to a vulnerable system running Windows TCP/IP. By manipulating the memory management of the TCP/IP stack, the attacker can trigger the use after free condition, leading to the disclosure of sensitive information. This attack does not require any user interaction or elevated privileges, making it easier for attackers to execute.
Affected Products
- Windows TCP/IP: Vulnerable to unauthorized information disclosure due to use after free condition.
Mitigation
To mitigate this vulnerability, users should apply the latest security updates provided by Microsoft. Regularly updating systems and monitoring for unusual network activity can also help reduce the risk of exploitation. It is essential to follow best practices for network security to protect against potential attacks.