By eliminating licensing fees for the OS on devices with a screen smaller than 9 inches, Microsoft is placing a bet on rapid expansion over revenue.
The security bulletins, four deemed critical, affect Windows, Internet Explorer, Microsoft Office, and Microsoft Host Integration Server.
As part of Patch Tuesday, the software giant releases security bulletins that address vulnerabilities in Windows, Microsoft Office, and IE.
Updates affect Microsoft Office suite and individual applications as well as Internet Explorer.
Security hole in Windows that Microsoft released patch for last month is being exploited by worm and bots, Microsoft says.
Redmond issues eight patches that affect Visual Basic 6, Internet Explorer, Word, Excel, Windows Search, SharePoint, and Windows Media Components.
The worm known as Kido, aka Conficker or Downadup, evolves to spread via removable devices and other means besides just exploiting a Windows vulnerability.
The most critical patches released cover Bluetooth, Internet Explorer, and DirectX.
Bulletins address flaws within Domain Name Service in Windows, Windows Explorer in Windows Vista, Outlook Web Access (OWA), and Microsoft SQL servers
A rare, out-of-cycle, critical patch is available to address a serious flaw that Microsoft thinks could lead to a network worm.