MS13-045  Vulnerability in Windows Essentials Could Allow Information Disclosure

2013-05-14 This security update resolves a privately reported vulnerability in Windows Essentials. The vulnerability could allow information disclosure if a user opens Windows Writer using a specially crafted URL. An attacker who successfully exploited the vulnerability could override Windows Writer proxy settings and overwrite files accessible to the user on the target system. In a web-based attack scenario, a website could contain a specially crafted link that is used to exploit this vulnerability. An attacker would have to convince users to visit the website and open the specially crafted link.
Vulnerabilities addressed in this bulletin:

Windows Essentials Improper URI Handling Vulnerability

CVE-2013-0096

Bulletin details at Microsoft.com