JPCERT-AT-2015-0009 JPCERT/CC 2015-04-15 <<< JPCERT/CC Alert 2015-04-15 >>> Microsoft Security Bulletin for April 2015 (including 4 critical patches) https://www.jpcert.or.jp/english/at/2015/at150009.html I. Overview Microsoft has released its security bulletin for April, 2015. This bulletin contains four (4) updates that are rated as "critical". Remote attackers leveraging these vulnerabilities may be able to execute arbitrary code. Details on the vulnerabilities can be found at the following URL: Microsoft Security Bulletin Summary for April 2015 https://technet.microsoft.com/en-us/library/security/ms15-apr [Security update rated as "critical"] MS15-032 Cumulative Security Update for Internet Explorer (3038314) https://technet.microsoft.com/en-us/library/security/ms15-032 MS15-033 Vulnerabilities in Microsoft Office Could Allow Remote Code Execution (3048019) https://technet.microsoft.com/en-us/library/security/ms15-033 MS15-034 Vulnerability in HTTP.sys Could Allow Remote Code Execution (3042553) https://technet.microsoft.com/en-us/library/security/ms15-034 MS15-035 Vulnerability in Microsoft Graphics Component Could Allow Remote Code Execution (3046306) https://technet.microsoft.com/en-us/library/security/ms15-035 II. Solution Please apply the security update programs through Microsoft Update, Windows Update etc. as soon as possible. Microsoft Update http://www.update.microsoft.com/ Windows Update http://windowsupdate.microsoft.com/ III. References Microsoft Microsoft Security Bulletin Summary for April 2015 https://technet.microsoft.com/en-us/library/security/ms15-apr Microsoft Microsoft Security Information for April 2015 (Monthly) - MS15-032 - MS15-042 (Japanese) http://blogs.technet.com/b/jpsecurity/archive/2015/04/15/201504-security-bulletin.aspx If you have any information regarding this alert, please contact JPCERT/CC. ====================================================================== JPCERT Coordination Center (JPCERT/CC) MAIL: info@jpcert.or.jp TEL: +81-3-3518-4600 FAX: +81-3-3518-4602 https://www.jpcert.or.jp/english/