Microsoft Critical Security Bulletins Summary for May 2015

Number: AV15-044
Date: 13 May 2015

Purpose

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

Assessment

The summary covers 13 bulletins (3 Critical and 10 Important), which addresses multiple vulnerabilities in Microsoft Windows, Internet Explorer, Office, SharePoint, Web Apps, Active Directory and .NET framework.

*** Critical ***
MS15-043: Cumulative Security Update for Internet Explorer (3049563)
MS15-044: Vulnerabilities in Microsoft Font Drivers Could Allow Remote Code Execution (3057110)
MS15-045: Vulnerability in Windows Journal Could Allow Remote Code Execution (3046002)

*** Important ***
MS15-046: Vulnerabilities in Microsoft Office Could Allow Remote Code Execution (3057181)
MS15-047: Vulnerabilities in Microsoft SharePoint Server Could Allow Remote Code Execution (3058083)
MS15-048: Vulnerabilities in .NET Framework Could Allow Elevation of Privilege (3057134)
MS15-049: Vulnerability in Silverlight Could Allow Elevation of Privilege (3058985)
MS15-050: Vulnerability in Service Control Manager Could Allow Elevation of Privilege (3055642)
MS15-051: Vulnerabilities in Windows Kernel-Mode Drivers Could Allow Elevation of Privilege (3057191)
MS15-052: Vulnerability in Windows Kernel Could Allow Security Feature Bypass (3050514)
MS15-053: Vulnerabilities in JScript and VBScript Scripting Engines Could Allow Security Feature Bypass (3057263)
MS15-054: Vulnerability in Microsoft Management Console File Format Could Allow Denial of Service (3051768)
MS15-055: Vulnerability in Schannel Could Allow Information Disclosure (3061518)

Suggested action

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

References

https://technet.microsoft.com/library/security/ms15-may

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.
http://www.publicsafety.gc.ca/cnt/ntnl-scrt/cbr-scrt/_fl/CCIRCPublicPGPKey.txt

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

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