CVE-2024-21446: 
vulnerability analysis and mitigation

CVE-2024-21446 is an NTFS Elevation of Privilege Vulnerability affecting various versions of Microsoft Windows operating systems. The vulnerability was first disclosed on March 12, 2024, and received a CVSS v3.1 base score of 7.8 (HIGH), indicating its significant severity (NVD).

The vulnerability has been assigned a CVSS v3.1 vector of CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H, indicating that it requires local access, low attack complexity, low privileges, and no user interaction. The vulnerability is associated with CWE-591 (Sensitive Data Storage in Improperly Locked Memory) as reported by Microsoft Corporation (NVD).

The vulnerability affects multiple versions of Microsoft Windows, including Windows 10 (versions 1507 through 22H2), Windows 11 (21H2 through 23H2), and Windows Server versions (2008 through 2022). If exploited, this elevation of privilege vulnerability could allow an attacker to gain higher privileges on the affected system (NVD).

Microsoft has released security updates to address this vulnerability across affected versions. The fixes are available through various KB articles including KB5035858 for Windows 10 1507, KB5035855 for Windows 10 1607, KB5035849 for Windows 10 1809, and multiple other patches for different versions of Windows and Windows Server (Rapid7).