JPCERT-AT-2015-0012 JPCERT/CC 2015-05-13 <<< JPCERT/CC Alert 2015-05-13 >>> Microsoft Security Bulletin for May 2015 (including 3 critical patches) https://www.jpcert.or.jp/english/at/2015/at150012.html I. Overview Microsoft has released its security bulletin for May, 2015. This bulletin contains three (3) 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 May 2015 https://technet.microsoft.com/en-us/library/security/ms15-may [Security updates rated as "critical"] MS15-043 Cumulative Security Update for Internet Explorer (3049563) https://technet.microsoft.com/en-us/library/security/ms15-043 MS15-044 Vulnerabilities in Microsoft Font Drivers Could Allow Remote Code Execution (3057110) https://technet.microsoft.com/en-us/library/security/ms15-044 MS15-045 Vulnerability in Windows Journal Could Allow Remote Code Execution (3046002) https://technet.microsoft.com/en-us/library/security/ms15-045 According to Microsoft, targeted attacks leveraging MS15-051 (important) have been observed in the wild. 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 May 2015 https://technet.microsoft.com/en-us/library/security/ms15-may Microsoft Microsoft Security Information for May 2015 (Monthly) - MS15-043 - MS15-055 (Japanese) http://blogs.technet.com/b/jpsecurity/archive/2015/05/13/201505-security-bulletin.aspx Microsoft Update for Vulnerabilities in Adobe Flash Player in Internet Explorer https://technet.microsoft.com/en-us/library/security/2755801 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/