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Vulnerability Score 2.1 2.1
CVE Id CVE-2011-1886
Last Modified 04 Oct 2011 10:54:17
Published 13 Jul 2011 07:55:01
Confidentiality Impact PARTIAL PARTIAL
Integrity Impact NONE NONE
Availability Impact NONE NONE
Access Vector LOCAL
Access Complexity LOW
Authentication NONE



win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP3 does not properly validate the arguments to functions, which allows local users to read arbitrary data from kernel memory via a crafted application that triggers a NULL pointer dereference, aka "Win32k Incorrect Parameter Validation Allows Information Disclosure Vulnerability."

Vulnerable Systems

Operating System

  • Microsoft Windows Xp


CERT - TA11-193A

MS - MS11-054

SECTRACK - 1025761

BID - 48607


SECUNIA - 45186

OSVDB - 73791

Last Updated: 27 May 2016 10:56:50