Microsoft Critical Security Bulletins Summary for September 2015

Number: AV15-081
Date: 8 September 2015


The purpose of this advisory is to bring attention to the monthly Microsoft Security Bulletin Summary for September 2015.


The summary covers 12 bulletins (5 Critical and 7 Important), which addresses multiple vulnerabilities in Internet Explorer, Microsoft Edge, Microsoft Graphics Component, Windows Journal, Microsoft Office,  Active Directory Service,  Windows Media Center,  .NET Framework,  Windows Task Management, Microsoft Exchange Server,  Skype for Business Server, Lync Server  and Windows Hyper-V.

*** Critical ***
MS15-094: Cumulative Security Update for Internet Explorer (3089548)
MS15-095: Cumulative Security Update for Microsoft Edge (3089665)
MS15-097: Vulnerabilities in Microsoft Graphics Component Could Allow Remote Code Execution (3089656)
MS15-098: Vulnerabilities in Windows Journal Could Allow Remote Code Execution (3089669)
MS15-099: Vulnerabilities in Microsoft Office Could Allow Remote Code Execution (3089664)

*** Important ***
MS15-096: Vulnerability in Active Directory Service Could Allow Denial of Service (3072595)
MS15-100: Vulnerability in Windows Media Center Could Allow Remote Code Execution (3087918)
MS15-101: Vulnerabilities in .NET Framework Could Allow Elevation of Privilege (3089662)
MS15-102: Vulnerabilities in Windows Task Management Could Allow Elevation of Privilege (3089657)
MS15-103: Vulnerabilities in Microsoft Exchange Server Could Allow Information Disclosure (3089250)
MS15-104: Vulnerabilities in Skype for Business Server and Lync Server Could Allow Elevation of Privilege (3089952)
MS15-105: Vulnerability in Windows Hyper-V Could Allow Security Feature Bypass (3091287)

Suggested Action

CCIRC recommends that system administrators test and deploy the vendor-released updates to affected applications accordingly.


Note to Readers

In support of Public Safety's mission to build a safe and resilient Canada, CCIRC's mandate is to help ensure the security and resilience of the vital non-federal government cyber systems that underpin Canada's national security, public safety and economic prosperity. As Canada's computer security incident response team, CCIRC is Canada's national coordination centre for the prevention and mitigation of, preparedness for, response to, and recovery from cyber incidents on non-federal government systems. It does this by providing authoritative advice and support, and coordinating information sharing and incident response.

Please note, CCIRC PGP key has recently been updated.

For general information, please contact Public Safety Canada's Public Affairs division at:

Telephone: 613-944-4875 or 1-800-830-3118
Fax: 613-998-9589

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