With little warning, Microsoft released yesterday an unscheduled or "out-of-cycle" patch for a highly critical vulnerability that affects all versions of Windows. Security bulletin MS08-067 (patch 958644) was posted to warn of a remote-code attack that could spread wildly across the Internet.
Microsoft has posted several versions of the patch that apply to different operating systems:
• Windows 2000 with Service Pack 4 patch download
• Windows XP with Service Pack 2 or 3 patch download
• Windows XP 64-bit Edition patch download
• Windows Server 2003 with Service Pack 1 or 2 patch download
• Windows Server 2003 64-bit Edition patch download
• Windows Vista with or without Service Pack 1 patch download
• Windows Vista 64-bit Edition with or without Service Pack 1 patch download
• Windows Server 2008 32-bit Edition patch download
• Windows Server 2008 64-bit Edition patch download
Please take action to protect your computer and stop the spread of this virus.
If you do not know what operating system you have open the control panel then click on system, your OS will be listed there.
More information: Please read security bulletin MS08-067.