CVE-2025-47159
vulnerability analysis and mitigation

Overview

A protection mechanism failure vulnerability was identified in Windows Virtualization-Based Security (VBS) Enclave, tracked as CVE-2025-47159. The vulnerability was disclosed on July 8, 2025, and affects multiple versions of Microsoft Windows operating systems, including Windows 10, Windows 11, and Windows Server editions (NVD Database).

Technical details

The vulnerability has been assigned a CVSS v3.1 Base Score of 7.8 (HIGH) with the following vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. It is classified under CWE-693 (Protection Mechanism Failure). The vulnerability requires local access and low privileges to exploit, but requires no user interaction (NVD Database).

Impact

If successfully exploited, this vulnerability allows an authorized attacker with local access to elevate their privileges on the affected system. The high CVSS score indicates severe potential impacts on confidentiality, integrity, and availability of the system (NVD Database).

Mitigation and workarounds

Microsoft has released security updates to address this vulnerability. The fixes are available for multiple affected versions including Windows Server 2025 (up to version 10.0.26100.4652), Windows 11 22H2 (up to version 10.0.22621.5624), Windows 11 23H2 (up to version 10.0.22631.5624), and various other Windows 10 and Windows Server editions (NVD Database).

Additional resources


SourceThis report was generated using AI

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