Product:
Capability Access Management Service
Summary
Concurrent execution using shared resource with improper synchronization 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 to protect their systems.
Details
| Severity | Base Score | CVE |
|---|---|---|
| HIGH | 7 | CVE-2026-21221 |
Exploitation
To exploit this vulnerability, an attacker with local access can execute concurrent processes that manipulate shared resources without proper synchronization. By doing so, the attacker can potentially elevate their privileges, gaining unauthorized access to sensitive system functions and data.
Affected Products
- Capability Access Management Service: A service that manages access to capabilities in Windows environments, which is vulnerable to privilege escalation due to improper synchronization.
Mitigation
To mitigate this vulnerability, it is recommended to apply the latest security updates provided by Microsoft. Users should also review their system configurations and limit local access to sensitive resources to reduce the risk of exploitation.