Product:
Brokering File System
Summary
Use after free in Microsoft Brokering File System allows an unauthorized attacker to elevate privileges locally. This vulnerability can lead to significant security risks if exploited. Attackers can gain higher access levels than intended, potentially compromising system integrity.
Details
| Severity | Base Score | CVE |
|---|---|---|
| HIGH | 7.4 | CVE-2026-25167 |
Exploitation
To exploit this vulnerability, an attacker must have local access to the system. By manipulating the Brokering File System, the attacker can trigger the use after free condition, allowing them to execute arbitrary code with elevated privileges. This requires a high level of technical skill and knowledge of the system’s architecture.
Affected Products
- Brokering File System: Affected by the use after free vulnerability that allows privilege escalation.
Mitigation
To mitigate this vulnerability, users should ensure that they apply the latest security updates provided by Microsoft. Regularly updating software and monitoring for unusual activity can help protect against potential exploitation. Additionally, restricting local access to sensitive systems can reduce the risk of unauthorized privilege escalation.