Product:
Windows TCP/IP
Summary
Null pointer dereference in Windows TCP/IP allows an unauthorized attacker to deny service over an adjacent network. This vulnerability can lead to significant service disruptions. Attackers can exploit this flaw without needing any privileges or user interaction.
Details
| Severity | Base Score | CVE |
|---|---|---|
| HIGH | 7.4 | CVE-2026-40414 |
Exploitation
To exploit this vulnerability, an attacker must be on an adjacent network and can send specially crafted packets to the affected system. This can lead to a denial of service condition, making the system unresponsive to legitimate requests. The low attack complexity means that even less experienced attackers could potentially exploit this flaw.
Affected Products
- Windows TCP/IP: Vulnerable to denial of service attacks due to null pointer dereference.
Mitigation
To mitigate this vulnerability, users should apply the latest security updates provided by Microsoft. Regularly updating systems and monitoring network traffic can help prevent exploitation. Additionally, implementing network segmentation can reduce the risk of adjacent network attacks.