CVE-2023-24859: 
vulnerability analysis and mitigation

Windows Internet Key Exchange (IKE) Extension Denial of Service Vulnerability (CVE-2023-24859) was discovered and initially reported on January 31, 2023. This vulnerability affects multiple versions of Microsoft Windows operating systems including Windows 10, Windows 11, and various Windows Server editions. The vulnerability was officially published on March 14, 2023 (NVD, CVE).

The vulnerability has been assigned a CVSS v3.1 base score of 7.5 (HIGH) with the vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. Microsoft has identified this as a NULL Pointer Dereference vulnerability (CWE-476). The vulnerability affects the Internet Key Exchange (IKE) extension component of Windows systems (NVD).

This vulnerability can be exploited to cause a Denial of Service condition in affected systems. The high CVSS score and attack vector parameters indicate that the vulnerability can be exploited remotely without requiring privileges or user interaction, potentially leading to system availability issues (NVD).

Microsoft has released security updates to address this vulnerability across affected Windows versions. Updates are available for Windows 10 (multiple versions), Windows 11, Windows Server 2012, 2012 R2, 2016, 2019, and 2022. Users are advised to apply the appropriate security patches for their systems (Rapid7).