Product:
Windows Ancillary Function Driver for WinSock
Summary
Concurrent execution using shared resource with improper synchronization 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 this issue and take necessary precautions.
Details
| Severity | Base Score | CVE |
|---|---|---|
| HIGH | 7 | CVE-2026-34345 |
Exploitation
To exploit this vulnerability, an attacker with local access can execute a specially crafted application that triggers the race condition in the Windows Ancillary Function Driver for WinSock. By doing so, the attacker can elevate their privileges on the affected system, potentially gaining unauthorized access to sensitive information or system controls.
Affected Products
- Windows Ancillary Function Driver for WinSock: Vulnerable to privilege escalation due to improper synchronization in concurrent execution.
Mitigation
To mitigate this vulnerability, users should apply the latest security updates provided by Microsoft. It is also recommended to limit local access to systems and monitor for any unusual activity that may indicate exploitation attempts.