Product:
Windows Shell
Summary
Concurrent execution using shared resource with improper synchronization in Windows Shell 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-2026-27918 |
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 Windows Shell, the attacker can manipulate the execution flow to gain elevated privileges. This requires a low level of skill and can be performed without user interaction.
Affected Products
- Windows Shell: 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. Regularly updating the system and monitoring for unusual activity can help reduce the risk of exploitation. Additionally, limiting local access to trusted users can further protect against potential attacks.