Microsoft Office Pinyin IME 2010 CVE-2013-3859 Local Privilege Escalation Vulnerability



Date Discovered

September 10, 2013


Microsoft Office is prone to a local privilege-escalation vulnerability that exists in the Pinyin Input Method Editor (IME). A local attacker can exploit this issue to execute arbitrary code with system-level privileges, resulting in a complete compromise of the affected computer.

Technologies Affected

  • Microsoft Office 2010 (32-bit edition) SP1
  • Microsoft Office 2010 (64-bit edition) SP1
  • Microsoft Pinyin IME 2010 (32-bit edition)
  • Microsoft Pinyin IME 2010 (64-bit edition)


Permit local access for trusted individuals only. Where possible, use restricted environments and restricted shells.
Given the local nature of this issue, grant only trusted and accountable individuals access to affected computers.

Updates are available. Please see the references or vendor advisory for more information.



Wei Wang of VulnHunt

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