HIGH Microsoft Corporation Vulnerability Alert

Product:

Windows Hyper-V

Summary

Integer overflow or wraparound in Windows Hyper-V allows an authorized attacker to elevate privileges locally. This vulnerability can lead to significant security risks if exploited. Attackers with local access can gain higher privileges than intended, potentially compromising the system.

Details

Severity Base Score CVE
HIGH 7.8 CVE-2025-54091

Exploitation

To exploit this vulnerability, an attacker must have local access to the system running Windows Hyper-V. By leveraging the integer overflow or wraparound condition, the attacker can manipulate the system to gain elevated privileges. This can be achieved through specially crafted inputs that trigger the overflow, allowing the attacker to execute arbitrary code with higher privileges.

Affected Products

  • Windows Hyper-V: A virtualization technology that allows users to create and manage virtual machines on Windows servers.

Mitigation

To mitigate this vulnerability, it is recommended to apply the latest security updates provided by Microsoft. Regularly updating the system and monitoring for unauthorized access can help reduce the risk of exploitation. Additionally, limiting local access to trusted users can further enhance security.

References