Exploitation of some of these vulnerabilities could allow remote code execution or elevation of privileges.
I recommend you close all your open programs and check for Microsoft Windows Updates asap, then install them.
Here's how to install updates in Windows 7:
http://windows.microsoft.com/en-us/windows7/install-windows-updates
Here's how in Windows 8:
http://windows.microsoft.com/en-us/windows-8/windows-update-faq
You should be notified to reboot your computer so the updates can be installed. I recommend checking for updates a second time just after the first batch is installed to ensure you have acquired all the updates.
And while you're in update mode, I suggest updating your security software as well.
Refence: https://technet.microsoft.com/en-us/library/security/ms15-jun.aspx
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