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Mitigation

Software defense: mitigating common exploitation techniques

Wednesday, December 11, 2013

In our previous posts in this series, we described various mitigation improvements that attempt to prevent the exploitation of specific classes of memory safety vulnerabilities such as those that involve stack corruption, heap corruption, and unsafe list management and reference count mismanagement. These mitigations are typically associated with a specific developer mistake such as writing beyond the bounds of a stack or heap buffer, failing to correctly track reference counts, and so on.

Introducing Enhanced Mitigation Experience Toolkit (EMET) 4.1

Tuesday, November 12, 2013

In June 2013, we released EMET 4.0 and customer response has been fantastic. Many customers across the world now include EMET as part of their defense-in-depth strategy and appreciate how EMET helps businesses prevent attackers from gaining access to computers systems. Today, we’re releasing a new version, EMET 4.1, with updates that simplify configuration and accelerate deployment.

Assessing risk for the August 2013 security updates

Tuesday, August 13, 2013

Today we released eight security bulletins addressing 23 CVE’s. Three bulletins have a maximum severity rating of Critical while the other five 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 Index Likely first 30 days impact Platform mitigations and key notes MS13-059(Internet Explorer) Victim browses to a malicious webpage.

Mitigating the LdrHotPatchRoutine DEP/ASLR bypass with MS13-063

Monday, August 12, 2013

Today we released MS13-063 which includes a defense in depth change to address an exploitation technique that could be used to bypass two important platform mitigations: Address Space Layout Randomization (ASLR) and Data Execution Prevention (DEP). As we’ve described in the past, these mitigations play an important role in making it more difficult and costly for attackers to exploit vulnerabilities.

MS10-104: SharePoint 2007 Vulnerability

Tuesday, December 14, 2010

Today we released MS10-104 to address vulnerability CVE-2010-3964 in SharePoint 2007 server with an important severity rating. In this blog, we would like to cover some additional details of this vulnerability. Is my SharePoint server affected by this vulnerability? There are two types of installations for a SharePoint server: standalone and farm.