Product:
Windows Cloud Files Mini Filter Driver
Summary
Heap-based buffer overflow in Windows Cloud Files Mini Filter Driver 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-2026-20940 |
Exploitation
To exploit this vulnerability, an attacker must have local access to the affected system. By leveraging the heap-based buffer overflow, the attacker can execute arbitrary code with elevated privileges. This can allow the attacker to gain control over the system and perform unauthorized actions.
Affected Products
- Windows Cloud Files Mini Filter Driver: Affected by a heap-based buffer overflow that allows 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 sensitive systems.