Microsoft released seven security updates Tuesday -- five of them critical -- to fix vulnerabilities in Office, Excel, Windows and Internet Information Services (IIS).
In its July security bulletins, the software giant warned that attackers could exploit the most serious flaws to take complete control of affected machines and install programs; view, change or delete data; or create new accounts with full user rights.
The other critical bulletins are:
Microsoft also released two security bulletins it rated as important. They are:
As it does every month, Microsoft also released an updated version of its Windows Malicious Software Removal Tool and will host a webcast Wednesday to address any questions IT administrators have regarding this month's updates.