Today is the day that Windows 10 becomes available to users around the world.
Microsoft has released an emergency update that plugs a critical zero-day vulnerability (CVE-2015-2426) that affects all supported versions of Windows and could allow attackers to remotely execute code on the victims' computer.
VMware has issued software updates for VMware Workstation, Player, and Horizon View Client for Windows, which fix relatively serious a host privilege escalation vulnerability (CVE-2015-3650).
A feature that went almost unnoticed in Windows Phone 8.1 because of its modest installation base has been raising security questions now that it has been added to Windows 10.
Another example of how vendors sometimes choose to improve usability to the detriment of user security has been recently discovered by security researcher and Microsoft MVP Patrick Barker.
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