cve 2025 55678

About this tag
CVE-2025-55678 is a use-after-free vulnerability in the Windows DirectX Graphics Kernel (dxgkrnl.sys) that allows an authenticated local attacker to escalate privileges. This flaw poses significant risk for multi-user hosts, VDI/RDP infrastructure, and services processing untrusted graphical content. The vulnerability affects the kernel component that bridges user-mode rendering APIs and kernel-mode drivers, making it a critical security concern for enterprise environments. Discussions on WindowsForum cover mitigation steps, patch deployment strategies, and the operational impact on systems relying on DirectX for graphics processing.

  1. CVE-2025-55678: Windows DirectX Kernel Use After Free Privilege Escalation

    Microsoft's advisory for CVE-2025-55678 describes a use‑after‑free defect in the Windows DirectX Graphics Kernel that allows an authenticated local user to escalate privileges on affected systems, and the operational risk is high for multi‑user hosts, VDI/RDP infrastructure, and any service that...
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    • cve 2025 55678 directx directx kernel patch guidance privilege escalation vulnerability vulnerability management windows security
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    • Forum: Security Alerts