Product:
Windows Hyper-V
Summary
Heap-based buffer overflow in Windows Hyper-V allows an unauthorized attacker to execute code locally. This vulnerability can lead to significant impacts on system integrity and confidentiality. Attackers can exploit this flaw to gain unauthorized access and execute arbitrary code.
Details
| Severity | Base Score | CVE |
|---|---|---|
| HIGH | 7.8 | CVE-2026-26156 |
Exploitation
To exploit this vulnerability, an attacker must have local access to the system and can leverage the buffer overflow to execute malicious code. The attack requires user interaction, making it necessary for the attacker to trick the user into performing an action that triggers the overflow. Once executed, the attacker can gain control over the affected system.
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, users should apply the latest security updates provided by Microsoft. It is also recommended to limit local access to systems running Windows Hyper-V and to educate users about the risks of executing untrusted code.