CVE-2024-26250: 
vulnerability analysis and mitigation

CVE-2024-26250 is a Secure Boot Security Feature Bypass Vulnerability that affects various Microsoft Windows operating systems. The vulnerability was initially disclosed on April 9, 2024, and received its last modification on January 8, 2025. The affected systems include multiple versions of Windows 10, Windows 11, and Windows Server installations (NVD).

The vulnerability has been assigned a CVSS v3.1 base score of 6.7 (Medium) with the following vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H. This indicates that the vulnerability requires local access, low attack complexity, and high privileges, but requires no user interaction. The vulnerability has been classified under CWE-693 (Protection Mechanism Failure) by Microsoft Corporation (NVD).

The vulnerability affects the confidentiality, integrity, and availability of the system with high severity ratings for each aspect, as indicated by the CVSS metrics. As a Secure Boot Security Feature Bypass vulnerability, it potentially compromises the secure boot mechanism that helps protect the system during startup (Microsoft Advisory).

The vulnerability requires local access and high privileges for exploitation, as indicated by the CVSS metrics (AV:L/PR:H). The attack complexity is considered low, suggesting that once the necessary access and privileges are obtained, the vulnerability is relatively straightforward to exploit (NVD).

Microsoft has released security updates to address this vulnerability across multiple affected systems including Windows 10 (various versions), Windows 11, and Windows Server installations. The fixes are available through various KB updates including KB5036925, KB5036899, KB5036896, KB5036892, KB5036893, KB5036894, and others for different versions of Windows (Rapid7).