Microsoft Security NewsLatest News On Microsoft Security Microsoft Warns Millions Of PC Owners—Remove Windows Update1/22/2026 5:52 AM If You Get This Message, Your Microsoft Account Is Under Attack12/15/2025 11:58 PM Microsoft Silently Activates Critical Windows Security Update12/4/2025 7:41 AM Microsoft Silently Activates Critical Windows Security Update12/4/2025 7:25 AM NSA Issues Microsoft Exchange Server ‘High-Risk Of Compromise’ Alert11/2/2025 8:17 AM NSA Issues Microsoft Exchange Server ‘High-Risk Of Compromise’ Alert11/2/2025 7:42 AM Microsoft Confirms ‘Last Update’ For 700 Million Windows Users8/17/2025 3:44 PM Microsoft Confirms ‘Last Update’ For 700 Million Windows Users8/16/2025 11:13 AM Microsoft’s Critical Password Warning — Users Have 5 Days To Act7/26/2025 6:56 AM New Windows Server 2025 Attack Compromises Any Active Directory User5/21/2025 8:38 AM