Microsoft Critical Security Bulletins Summary for April 2015
Date: 14 April 2015
The purpose of this advisory is to bring attention to the monthly Microsoft Security Bulletin Summary for April 2015.
The summary covers 11 bulletins (4 Critical and 7 Important), which addresses multiple vulnerabilities in Microsoft Windows, Internet Explorer, Office, SharePoint, Web Apps, Active Directory and .NET framework.
*** Critical ***
- Cumulative Security Update for Internet Explorer (3038314)
- Vulnerabilities in Microsoft Office Could Allow Remote Code Execution (3048019)
- Vulnerability in HTTP.sys Could Allow Remote Code Execution (3042553)
- Vulnerability in Microsoft Graphics Component Could Allow Remote Code Execution (3046306)
*** Important ***
- Vulnerabilities in Microsoft SharePoint Server Could Allow Elevation of Privilege (3052044)
- Vulnerability in Windows Task Scheduler Could Allow Elevation of Privilege (3046269)
- Vulnerabilities in Microsoft Windows Could Allow Elevation of Privilege (3049576)
- Vulnerability in XML Core Services Could Allow Security Feature Bypass (3046482)
- Vulnerability in Active Directory Federation Services Could Allow Information Disclosure (3045711)
- Vulnerability in .NET Framework Could Allow Information Disclosure (3048010)
- Vulnerability in Windows Hyper-V Could Allow Denial of Service (3047234)
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
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