CVE-2024-21371: 
vulnerability analysis and mitigation

Windows Kernel Elevation of Privilege Vulnerability (CVE-2024-21371) is a security flaw discovered and disclosed in February 2024. The vulnerability affects multiple versions of Microsoft Windows, including Windows 10, Windows 11, and various Windows Server editions. This vulnerability has been assigned a CVSS base score of 7.0 (High) (NVD).

The vulnerability is characterized by a Time-of-check Time-of-use (TOCTOU) Race Condition in the Windows Kernel. It has been assigned a CVSS vector of CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H, indicating that it requires local access, has high attack complexity, needs low privileges, and requires no user interaction. The potential impact on confidentiality, integrity, and availability is rated as high (NVD, Microsoft).

If successfully exploited, this vulnerability could allow an attacker to gain elevated privileges on affected systems. The high severity rating across confidentiality, integrity, and availability metrics suggests that successful exploitation could result in significant system compromise (NVD).

Microsoft has released security updates to address this vulnerability across affected versions of Windows. Updates are available for Windows 10 (versions 1507 through 22H2), Windows 11 (versions 21H2 through 23H2), and Windows Server versions (2012 through 2022). Users are advised to apply the relevant security updates to mitigate this vulnerability (Rapid7).