msrc-blog

It was just over one year ago, May 28, 2012, to be exact, that I transitioned from running active MSRC cases and writing bulletins to my current role managing software security incidents. A lot has changed in that year*- _and I’ve dealt with some interesting issues during my tenure* - _but our goal of providing the best customer protections possible remains a constant.

MS13-051 addresses a security vulnerability in Microsoft Office 2003 and Office for Mac. Newer versions of Microsoft Office for Windows are not affected by this vulnerability, but the newest version of Office for Mac (2011) is affected. We have seen this vulnerability exploited in targeted 0day attacks in the wild. In this blog we’ll cover the following aspects:

Today we released five security bulletins addressing 23 CVE’s. One bulletin has a maximum severity rating of Critical, and four have a maximum severity rating of Important. We hope that the table below helps you prioritize the deployment of the updates appropriately for your environment. Bulletin Most likely attack vector Max Bulletin Severity Max Exploit-ability rating Likely first 30 days impact Platform mitigations and key notes MS13-047(Internet Explorer) Victim browses to a malicious webpage.

Today we’re providing Advance Notification of five bulletins for release on Tuesday, June 11, 2013. This release brings one Critical- and four Important-class bulletins. The Critical-rated bulletin addresses issues in Internet Explorer, and the Important-rated bulletins address issues in Microsoft Windows and Office. We will publish the bulletins on the second Tuesday of the month, at approximately 10 a.

There is much to say about the use of Java in both consumer and enterprise environments. Like any other platforms, it has both devoted supporters and fervent critics. But for most, Java is a requirement, a means to an end. In the past few years, Java as a platform has been the target of numerous malware attacks, which exploit a number of Java runtime vulnerabilities on the target machines.

On May 8th, we announced that EMET 4 would have been released today, May 28th. Since that day, we had additional feedback and we are working on a few things that are requiring a little bit more time than expected. This considered, we are not releasing EMET 4 today, and we will take a few more days to have everything prepared for the final release.

For those who couldn’t attend the live webcast, today we’re publishing the May 2013 Security Bulletin Webcast Questions & Answers page. We fielded 13 questions on various topics during the webcast, with specific bulletin questions focusing primarily on Internet Explorer (MS13-037 and MS13-038) and Visio (MS13-044). We invite our customers to join us for the next public webcast on Wednesday, June 12, 2013, at 11 a.