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SEPTEMBER 2015

Bulletin ID

Bulletin Title and Executive Summary

Maximum Severity Rating
and Vulnerability Impact

MS15-094

Cumulative Security Update for Internet Explorer (3089548) 
This security update resolves vulnerabilities in Internet Explorer. The most severe of the vulnerabilities could allow remote code execution if a user views a specially crafted webpage using Internet Explorer. An attacker who successfully exploited these vulnerabilities could gain the same user rights as the current user. Customers whose accounts are configured to have fewer user rights on the system could be less impacted than those who operate with administrative user rights.

Critical 
Remote Code Execution

MS15-095

Cumulative Security Update for Microsoft Edge (3089665) 
This security update resolves vulnerabilities in Microsoft Edge. The most severe of the vulnerabilities could allow remote code execution if a user views a specially crafted webpage using Microsoft Edge. An attacker who successfully exploited these vulnerabilities could gain the same user rights as the current user. Customers whose accounts are configured to have fewer user rights on the system could be less impacted than those who operate with administrative user rights.

Critical 
Remote Code Execution

MS15-096

Vulnerability in Active Directory Service Could Allow Denial of Service (3072595) 
This security update resolves a vulnerability in Active Directory. The vulnerability could allow denial of service if an authenticated attacker creates multiple machine accounts. To exploit the vulnerability an attacker must have an account that has privileges to join machines to the domain. 

Important 
Denial of Service

MS15-097

Vulnerabilities in Microsoft Graphics Component Could Allow Remote Code Execution (3089656) 
This security update resolves vulnerabilities in Microsoft Windows, Microsoft Office, and Microsoft Lync. The most severe of the vulnerabilities could allow remote code execution if a user opens a specially crafted document or visits an untrusted webpage that contains embedded OpenType fonts. 

Critical 
Remote Code Execution

MS15-098

Vulnerabilities in Windows Journal Could Allow Remote Code Execution (3089669) 
This security update resolves vulnerabilities in Microsoft Windows. The more severe of the vulnerabilities could allow remote code execution if a user opens a specially crafted Journal file. Users whose accounts are configured to have fewer user rights on the system could be less impacted than users who operate with administrative user rights. 

Critical 
Remote Code Execution

MS15-099

Vulnerabilities in Microsoft Office Could Allow Remote Code Execution (3089664) 
This security update resolves vulnerabilities in Microsoft Office. The most severe of the vulnerabilities could allow remote code execution if a user opens a specially crafted Microsoft Office file. An attacker who successfully exploited the vulnerabilities could run arbitrary code in the context of the current user. Customers whose accounts are configured to have fewer user rights on the system could be less impacted than those who operate with administrative user rights.

Critical 
Remote Code Execution

MS15-100

Vulnerability in Windows Media Center Could Allow Remote Code Execution (3087918) 
This security update resolves a vulnerability in Microsoft Windows. The vulnerability could allow remote code execution if Windows Media Center opens a specially crafted Media Center link (.mcl) file that references malicious code. An attacker who successfully exploited this vulnerability could gain the same user rights as the current user. Customers whose accounts are configured to have fewer user rights on the system could be less impacted than those who operate with administrative user rights.

Important 
Remote Code Execution

MS15-101

Vulnerabilities in .NET Framework Could Allow Elevation of Privilege (3089662) 
This security update resolves vulnerabilities in Microsoft .NET Framework. The most severe of the vulnerabilities could allow elevation of privilege if a user runs a specially crafted .NET application. However, in all cases, an attacker would have no way to force users to run the application; an attacker would have to convince users to do so.

Important 
Elevation of Privilege

MS15-102

Vulnerabilities in Windows Task Management Could Allow Elevation of Privilege (3089657) 
This security update resolves vulnerabilities in Microsoft Windows. The vulnerabilities could allow elevation of privilege if an attacker logs on to a system and runs a specially crafted application.

Important 
Elevation of Privilege

MS15-103

Vulnerabilities in Microsoft Exchange Server Could Allow Information Disclosure (3089250) 
This security update resolves vulnerabilities in Microsoft Exchange Server. The most severe of the vulnerabilities could allow information disclosure if Outlook Web Access (OWA) fails to properly handle web requests, and sanitize user input and email content. 

Important 
Information Disclosure

MS15-104

Vulnerabilities in Skype for Business Server and Lync Server Could Allow Elevation of Privilege (3089952) 
This security update resolves vulnerabilities in Skype for Business Server and Microsoft Lync Server. The most severe of the vulnerabilities could allow elevation of privilege if a user clicks a specially crafted URL. An attacker would have to convince users to click a link in an instant messenger or email message that directs them to an affected website by way of a specially crafted URL.

Important 
Elevation of Privilege

MS15-105

Vulnerability in Windows Hyper-V Could Allow Security Feature Bypass (3091287) 
This security update resolves a vulnerability in Microsoft Windows. The vulnerability could allow security feature bypass if an attacker runs a specially crafted application that could cause Windows Hyper-V to incorrectly apply access control list (ACL) configuration settings. Customers who have not enabled the Hyper-V role are not affected.

Important 
Security Feature Bypass