Watch TV noticed that the brokers work in New York Stock Exchange are busy. However who else can say he will be busy than IT guy. Each week 0-day announcement. Perhaps the individual vulnerability happen on different vendor daily.
Staging, testing, backup and patch implementation all the job task will be implement earlier morning. All we are fall asleep. This month VMware looks like a vulnerability champion winner. The vulnerability happen in computer end looks like apply quantum computing theory. It is multi angle (quantum superposition).
For more details, see below url for reference: VMware ESXi, vCenter Server Appliance, Workstation and Fusion updates address multiple security vulnerabilities