MS13-077  Vulnerability in Windows Service Control Manager Could Allow Elevation of Privilege

2013-09-10 This security update resolves a privately reported vulnerability in Microsoft Windows. The vulnerability could allow elevation of privilege if an attacker convinces an authenticated user to execute a specially crafted application. To exploit this vulnerability, an attacker either must have valid logon credentials and be able to log on locally or must convince a user to run the attacker's specially crafted application.
Vulnerabilities addressed in this bulletin:

Service Control Manager Double Free Vulnerability

An elevation of privilege vulnerability exists in the way that the Windows Service Control Manager (SCM) handles objects in memory. An attacker who successfully exploited this vulnerability could execute arbitrary code and take complete control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.
CVE-2013-3862

Bulletin details at Microsoft.com