(MS11-098) Vulnerability in Windows Kernel Could Allow Elevation of Privilege (2633171)

  Severity: HIGH
  CVE Identifier: CVE-2011-2018
  Advisory Date: DEC 14, 2011


This security update resolves a privately reported vulnerability in Microsoft Windows. The vulnerability could allow elevation of privilege if an attacker logs on to an affected system and runs a specially crafted application designed to exploit the vulnerability. An attacker must have valid logon credentials and be able to log on locally to exploit this vulnerability. The vulnerability could not be exploited remotely or by anonymous users.



  • Windows XP Service Pack 3
  • Windows Server 2003 Service Pack 2
  • Windows Vista Service Pack 2
  • Windows Server 2008 for 32-bit Systems Service Pack 2
  • Windows 7 for 32-bit Systems and Windows 7 for 32-bit Systems Service Pack 1