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Article ID: 123506, created on Nov 12, 2014, last review on Nov 13, 2014

  • Applies to:
  • Plesk Automation


Microsoft has released security bulletin MS14-066.

Microsoft has revealed vulnerability in Microsoft Secure Channel (Schannel) security package in Windows. It affects all modern versions of Windows, including Windows Server 2003/2008/2012, Vista, 7, 8, 8.1, and Windows RT.

There aren't any known exploits that have actually used this vulnerability yet, however it is highly recommended to install security patch. Please refer to Microsoft TechNet article for details:

MS14-066 - Vulnerability in Schannel Could Allow Remote Code Execution (2992611)


The vulnerability could allow remote code execution if an attacker sends specially crafted packets to a Windows server. According to Microsoft security bulletin at the time it was issued, there was no information to indicate that this vulnerability had been publicly used to attack customers.

This security update is rated Critical for all supported releases of Microsoft Windows.


  1. To close the vulnerability on Windows-based service nodes install the security patch from Windows Update.

  2. If the service node is a Parallels Virtuozzo Containers hardware node, please proceed with the instructions from the corresponding article.

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MS14-066: Vulnerability in SChannel could allow remote code execution

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