Product:
Windows Management Services
Summary
Concurrent execution using shared resource with improper synchronization in Windows Management Services allows an authorized attacker to elevate privileges locally. This vulnerability can lead to significant security risks if exploited. Attackers can gain higher privileges than intended, potentially compromising the system.
Details
| Severity | Base Score | CVE |
|---|---|---|
| HIGH | 7.8 | CVE-2026-20866 |
Exploitation
To exploit this vulnerability, an attacker must have local access to the system and be able to execute code. By taking advantage of the race condition in the resource management, the attacker can manipulate the execution flow to gain elevated privileges. This requires a high level of skill and knowledge of the system’s operations.
Affected Products
- Windows Management Services: A service that allows management of Windows-based servers and systems.
Mitigation
To mitigate this vulnerability, it is recommended to apply the latest security updates provided by Microsoft. Regularly updating systems and monitoring for unauthorized access can help reduce the risk of exploitation. Additionally, implementing strict access controls can limit the potential for local attacks.