Microsoft has disclosed a privilege-escalation vulnerability in Windows Admin Center (WAC), a browser-based platform widely used by IT administrators and infrastructure teams to manage Windows clients, servers, clusters, Hyper-V hosts and virtual machines, as well as Active Directory-joined systems. Although the issue was patched in early December 2025 with the release of Windows Admin Center version 2511, it has only just been publicly acknowledged. The delay in disclosure likely reflects both the nature of the … More → The post Microsoft reveals critical Windows Admin Center vulnerability (CVE-2026-26119) appeared first on Help Net Security.