CVE-2025-21368: 
vulnerability analysis and mitigation

Microsoft Digest Authentication Remote Code Execution Vulnerability (CVE-2025-21368) is a significant security flaw discovered and disclosed on February 11, 2025. This vulnerability affects multiple versions of Microsoft Windows operating systems, including Windows 10, Windows 11, and various Windows Server editions from 2008 to 2025 (NVD).

The vulnerability has been assigned a CVSS 3.1 base score of 8.8 (High), with the following vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. This indicates that the vulnerability can be exploited over the network, requires low attack complexity, needs low-level privileges, and requires no user interaction. The impact affects confidentiality, integrity, and availability, all rated as high (NVD).

A successful exploitation of this vulnerability could allow an attacker to execute arbitrary code on vulnerable systems through a malicious logon request to the target domain controller. The vulnerability affects all three security aspects (confidentiality, integrity, and availability) with high severity (Talos).

Microsoft has released security updates to address this vulnerability as part of their February 2025 Patch Tuesday release. Organizations are advised to apply the latest security updates to affected systems (NVD).