CVE-2013-3660

The EPATHOBJ::pprFlattenRec function in win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, and Windows Server 2012 does not properly initialize a pointer for the next object in a certain list, which allows local users to obtain write access to the PATHRECORD chain, and consequently gain privileges, by triggering excessive consumption of paged memory and then making many FlattenPath function calls, aka "Win32k Read AV Vulnerability."

Affected products

Windows, Windows 7, Windows 8, Windows Server 2003, Windows Server 2008, Windows Server 2012, Windows Vista, Windows Xp

Microsoft Windows 7

All versions

Microsoft Windows 8

All versions

Microsoft Windows Rt

All versions

Microsoft Windows Server 2003

All versions

Microsoft Windows Server 2008

All versions

Microsoft Windows Server 2012

All versions

Fix

Available

CVSS 3.1

7.8 HIGH

EPSS

39.6% (99th percentile)

Weakness

CWE-119

NVD status

Analyzed

Published

2013-05-24