Today, the MSRC released Security Advisory 2794220 alerting customers to limited, targeted attacks affecting customers using Internet Explorer 6, 7, and 8. Internet Explorer 9 and Internet Explorer 10 users are safe. More information about the vulnerability and exploit In this particular vulnerability...

Today, we revised Security Advisory 2757760 with two new pieces of information: A Fix It solution is available to address the vulnerability via an app-compat shim The comprehensive security update will be released out-of-band on Friday. In this blog post, we’d like to explain more...

Today we released MS12-060 , addressing a potential remote code execution vulnerability in MSCOMCTL.OCX, the binary included with a number of Microsoft products to provide a set of common ActiveX controls. Limited, targeted attacks exploiting CVE-2012-1856 MS12-060 is on the list of high priority...

Yesterday, the MSRC released Microsoft Security Advisory 979352 alerting customers to limited, sophisticated attacks targeting Internet Explorer 6 customers. Today, samples of that exploit were made publicly available. Before we get into the details I want to make one thing perfectly clear. The attacks...

We are aware of active attacks exploiting a remote code execution vulnerability in Microsoft’s MPEG2TuneRequest ActiveX Control Object. We have released advisory 972890 providing guidance to help our customers stay protected. In this blog post, we’d like to go into more detail to help you understand...

This afternoon, we posted Security Advisory 969136 describing a new vulnerability in PowerPoint while parsing the legacy binary file format. Unfortunately, we discovered this vulnerability being used to deploy malware in targeted attacks. We expect this blog post will: Help you protect your organization...

MS08-041 fixes a vulnerability in the Microsoft Access Snapshot Viewer ActiveX control. It’s an interesting vulnerability so we wanted to go into more detail about platforms at reduced risk and also more about the servicing strategy for this vulnerability. Windows Vista at reduced risk? We first...

(Special thanks to Neil Carpenter for helping out on this blog post) Recent Trends Beginning late last year, a number of websites were defaced to include malicious HTML <script> tags in text that was stored in a SQL database and used to generate dynamic web pages. These attacks began to accelerate...