Product:
Windows TCP/IP
Summary
Stack-based buffer overflow in Windows TCP/IP allows an authorized attacker to elevate privileges locally. This vulnerability can lead to significant security risks if exploited. It is crucial for users to be aware of the potential impacts and take necessary precautions.
Details
| Severity | Base Score | CVE |
|---|---|---|
| HIGH | 7.8 | CVE-2026-40399 |
Exploitation
To exploit this vulnerability, an attacker must have local access to the affected system. By executing a specially crafted sequence of commands, the attacker can trigger the buffer overflow, leading to privilege escalation. This can allow the attacker to gain higher-level access to the system and execute arbitrary code.
Affected Products
- Windows TCP/IP: Vulnerable to stack-based buffer overflow allowing local privilege escalation.
Mitigation
To mitigate this vulnerability, users should apply the latest security updates provided by Microsoft. Regularly updating systems and monitoring for unusual activity can help reduce the risk of exploitation. Additionally, limiting local access to sensitive systems can further protect against potential attacks.