Microsoft早前向Windows Insider推送Windows 10 PC第一個紅石更新下的分支Build，最近都開始向非Windows Insider的用戶推送Build 10586.63。

這個build同樣地沒有加入任何新功能，主要是修正一些已知的問題和系統優化，詳細更新內容如下：

• 3124605 MS16-008: Security update for Windows kernel to address elevation of privilege: January 12, 2016
• 3124901 MS16-007: Security Update for Windows to address remote code execution: January 12, 2016
• 3124584 MS16-005: Security Update for Windows kernel-mode drivers to address remote code execution: January 12, 2016
• 3124275 MS16-001: Security update for Internet Explorer: January 12, 2016
• 3118753 Microsoft security advisory: Updates for ActiveX kill bits

資料來源：Microsoft