Microsoft has updated some bulletins because there are three known issues that can affect your computer.

• when KB2982791 is installed, fonts that are installed in a location other than the default fonts directory (%windir%\fonts\) cannot be changed when they are loaded into any active session
• Fonts do not render correctly after any of the following updates are installed:
  • 2982791 MS14-045: Description of the security update for kernel-mode drivers: August 12, 2014
  • 2970228 Update to support the new currency symbol for the Russian ruble in Windows
  • 2975719 August 2014 update rollup for Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2
  • 2975331 August 2014 update rollup for Windows RT, Windows 8, and Windows Server 2012
• Microsoft is investigating behavior in which systems may crash with a 0x50 Stop error message (bugcheck) after any of the following updates are installed:
  • 2982791 MS14-045: Description of the security update for kernel-mode drivers: August 12, 2014
  • 2970228 Update to support the new currency symbol for the Russian ruble in Windows
  • 2975719 August 2014 update rollup for Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2
  • 2975331 August 2014 update rollup for Windows RT, Windows 8, and Windows Server 2012

If you have not installed yet those updates, please don't install it until Microsoft pubish a fix. If you already installed it, please check each article for mitigation measures.

Manuel Humberto Santander Peláez
SANS Internet Storm Center - Handler
Twitter:@manuelsantander
Web:http://manuel.santander.name
e-mail: msantand at isc dot sans dot org