2021-01 Cumulative Update for Windows 10 Version 1507 for x64-based Systems (KB4598231)

A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article...

January 12, 2021—KB4598231 (OS Build 10240.18818) - EXPIRED

January 12, 2021—KB4598231 OS Build 10240.18818 - EXPIRED NEW 8/5/21 EXPIRATION NOTICEIMPORTANT As of 8/5/2021, this KB is no longer available from Windows Update, the Microsoft Update Catalog, or other release channels. We recommend that you update your devices to the latest security quality...