Kb4048960

This update was part of the monthly "Security Only" quality update cycle. Its primary purpose was to address vulnerabilities within the Windows kernel, Microsoft Graphics Component, and Windows SMB Server. However, shortly after deployment, users reported significant breakage in legacy applications, particularly those interfacing with files through the Jet OLEDB 4.0 provider. The "External Database Driver" Issue

If you encounter a reference to KB4048960 today, it is either: kb4048960

Microsoft later acknowledged that the update accidentally broke certain printer drivers. They subsequently released "out-of-band" updates (such as KB4055018) specifically to fix the printing issues caused by KB4048960. Current Status This update was part of the monthly "Security