Product:
Windows Ancillary Function Driver for WinSock
Summary
Access of resource using incompatible type type confusion in Windows Ancillary Function Driver for WinSock 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 of this issue.
Details
| Severity | Base Score | CVE |
|---|---|---|
| HIGH | 7.8 | CVE-2026-20860 |
Exploitation
To exploit this vulnerability, an attacker with local access can manipulate the type of resources being accessed, leading to privilege escalation. This requires low privileges and no user interaction, making it easier for an attacker to execute the exploit without detection. Successful exploitation can result in unauthorized access to sensitive data and system control.
Affected Products
- Windows Ancillary Function Driver for WinSock: Vulnerable to type confusion allowing 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. It is also recommended to limit local access to systems to trusted users only.