Product:
Windows Ancillary Function Driver for WinSock
Summary
Free of memory not on the heap 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. Attackers with local access can leverage this flaw to gain higher privileges on the system.
Details
| Severity | Base Score | CVE |
|---|---|---|
| HIGH | 7.8 | CVE-2026-20810 |
Exploitation
To exploit this vulnerability, an attacker must have local access to the affected system. By executing a specially crafted application, the attacker can manipulate memory allocation, allowing them to elevate their privileges. This can lead to unauthorized access to sensitive data and system resources.
Affected Products
- Windows Ancillary Function Driver for WinSock: Vulnerable to local privilege escalation due to improper memory handling.
Mitigation
To mitigate this vulnerability, users should apply the latest security updates provided by Microsoft. Regularly updating systems and monitoring for unauthorized access can help reduce the risk of exploitation. Additionally, limiting local access to trusted users can further enhance security.