Microsoft Windows Print Spooler CVE-2012-1851 Remote Code Execution Vulnerability



Date Discovered

August 14, 2012


Microsoft Windows is prone to a remote code-execution vulnerability that affects the Print Spooler service. Attackers can exploit this issue to execute arbitrary code with SYSTEM-level privileges, which can result in the complete compromise of affected computers.

Technologies Affected

  • Microsoft Windows XP
  • Microsoft Windows XP Professional x64 Edition
  • Microsoft Windows XP Professional x64 Edition SP2
  • Microsoft Windows XP Service Pack 3


Block external access at the network boundary, unless external parties require service.
Use network access controls to regulate external access to computers at the network perimeter. Permit access to services for trusted or internal computers and networks only.

Modify default configuration files to disable any unwanted behavior.
Ensure that unwanted accounts are disabled on all affected computers.

Microsoft has released fixes and an advisory. Please see the references for details.



Yamata Li of Palo Alto Networks

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