CVE-2025-59506: 
vulnerability analysis and mitigation

A race condition vulnerability (CVE-2025-59506) was discovered in Windows DirectX that allows an authorized attacker to elevate privileges locally. The vulnerability was disclosed on November 11, 2025, and affects multiple versions of Windows operating systems including Windows 10, Windows 11, and various Windows Server editions (NVD).

The vulnerability is classified as a Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition) issue, identified as CWE-362. Microsoft has assigned it a CVSS v3.1 base score of 7.0 (High), with the vector string CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H, indicating local access required, high attack complexity, low privileges required, no user interaction needed, and high impact on confidentiality, integrity, and availability (NVD).

The successful exploitation of this vulnerability could allow an authorized attacker with local access to elevate their privileges to SYSTEM level, potentially gaining complete control over the affected system (Rapid7).

Microsoft has released security updates to address this vulnerability across multiple affected versions of Windows. The patches are available through various KB articles including KB5068864 for Windows 10 1607, KB5068791 for Windows 10 1809, KB5068781 for Windows 10 21H2/22H2, and several others for different Windows versions and Server editions (Rapid7).