Product:
Windows Cloud Files Mini Filter Driver
Summary
Untrusted pointer dereference 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-2026-20857 |
Exploitation
To exploit this vulnerability, an attacker with local access can manipulate the pointer dereference in the Windows Cloud Files Mini Filter Driver. By executing a specially crafted sequence of commands, the attacker can gain elevated privileges on the affected system, allowing them to perform unauthorized actions.
Affected Products
- Windows Cloud Files Mini Filter Driver: This driver is responsible for managing cloud file synchronization and can be exploited to gain elevated privileges.
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.