Download EaseUS (in case if you cannot extend the ‘recovery partition’ drive by using Diskpart utility. You wont be able to extend ‘recovery partition’ by using diskpart as it will reply you ‘ .. cannot extend the OEM Partition’.
Step 1 :
extend the ‘recovery partition’ drive (500mb-1000mb suggested for size) using EaseUS
Step 2 :
Start ‘Background Intelligence Transfer Services’ in services.msc
run windows update.
Step 3 : verify your KB download.
Step 4 : done!
Notes : this KB updates need your recovery partition size at least 700mb.
consider this update as Security Update which mitigate the risk of Bitlocker Exploiting vulnerabilities.