An elevation of privilege vulnerability exists when the Windows Common Log File System (CLFS) driver improperly handles objects in memory, aka 'Windows Common Log File System Driver Elevation of Privilege Vulnerability'.

<p>An elevation of privilege vulnerability exists when the <a href="https://technet.microsoft.com/library/security/dn848375.aspx#CLFS">Windows Common Log File System (CLFS)</a> driver improperly handles objects in memory. An attacker who successfully exploited this vulnerability could run processes in an elevated context.</p>
<p>To exploit the vulnerability, an attacker would first have to log on to the system, and then run a specially crafted application to take control over the affected system.</p>
<p>The security update addresses the vulnerability by correcting how CLFS handles objects in memory.</p>

Microsoft Corporation AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H