KLA12550
RCE vulnerability in Microsoft Products (ESU)

A remote code execution vulnerability was found in Microsoft Products (Extended Security Update). Malicious users can exploit this vulnerability to execute arbitrary code.

Public exploits exist for this vulnerability.

Malware exists for this vulnerability. Usually such malware is classified as Exploit. More details.

Windows Server 2008 for 32-bit Systems Service Pack 2
Windows 7 for 32-bit Systems Service Pack 1
Windows Server 2008 for x64-based Systems Service Pack 2
Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)
Windows 7 for x64-based Systems Service Pack 1
Windows Server 2008 R2 for x64-based Systems Service Pack 1
Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
Microsoft Windows Support Diagnostic Tool (MSDT)

Install necessary updates from the KB section, that are listed in your Windows Update (Windows Update usually can be accessed from the Control Panel)