HIGH Microsoft Corporation Vulnerability Alert

Product:

Windows User Interface Core

Summary

Concurrent execution using shared resource with improper synchronization in Windows User Interface Core 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 system integrity.

Details

Severity Base Score CVE
HIGH 7.8 CVE-2026-27911

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, the attacker can manipulate the shared resource to escalate their privileges. This requires a high level of technical skill and knowledge of the system’s architecture.

Affected Products

  • Windows User Interface Core: A component of the Windows operating system that manages user interface elements and interactions.

Mitigation

To mitigate this vulnerability, users should 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.

References