Microsoft Security Response Center
The Microsoft Security Response Center (MSRC) identifies, monitors, responds to and resolves security incidents and vulnerabilities in Microsoft software.
Advance Notification Service
Coordinated Vulnerability Disclosure
Internet Explorer (IE)
Internet Explorer IE)
Malicious Software (Malware)
Malicious Software Removal Tool (MSRT)
Malware Protection Engine
Microsoft Active Protections Program (MAPP)
Microsoft Server Software
monthly bulletin release
MSRC Progress Report
security bulletin release
Security Bulletin Webcast
Security Development Lifecycle (SDL)
Security Update Webcast
Security Update Webcast Q & A
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Microsoft Security Response Center
A live BlueHat Prize webcast and the August 2011 security updates
Hello all. It has been very nearly a week since our BlueHat Prize contest announcement at Black Hat. Now that everyone’s had some time to digest the basics, we’ve asked Senior Security Strategist and chief BlueHat Prize architect Katie Moussouris to stop by the Trustworthy Computing studio...
9 Aug 2011
October 2009 Security Bulletin Release
Summary of Microsoft’s Security Bulletin Release for October 2009 This month, we released 13 new bulletins which address 33 vulnerabilities in Windows, Internet Explorer and Microsoft Office. Since we published this information in our advance notification (ANS) last Thursday, we have been asked “is this...
13 Oct 2009
November 2009 Security Bulletin Release
Summary of Microsoft’s Security Bulletin Release for November 2009 Today, we released six security bulletins addressing a total of 15 vulnerabilities. Four affect Windows and Windows Server and two affect Microsoft Office products (Excel and Word). As we do every month, we have prepared our Risk &...
10 Nov 2009
August 2013 Security Bulletin Webcast, Q&A, and Slide Deck
Today we’re publishing the August 2013 Security Bulletin Webcast Questions & Answers page . We fielded 13 questions on various topics during the webcast, with specific bulletin questions focusing primarily on Exchange Server ( MS13-061 ) and Windows Kernel ( MS13-063 ). There were 3 additional...
19 Aug 2013
July 2009 Bulletin Release
Summary of Microsoft’s monthly security bulletin release for July 2009. This month we are releasing six bulletins. Three of those affect Windows and are rated Critical. All three of those also have an Exploitability Index rating of “1” which means that we believe that consistent exploit code in the wild...
14 Jul 2009
August 2009 Bulletin Release
Summary of Microsoft’s Security Bulletin Release for August 2009 Hi everyone, This month, we released nine security bulletins. Five of those are rated Critical and four have an aggregate severity rating of Important. Of the nine updates, eight affect Windows and the last one affects Office Web Components...
11 Aug 2009
June 2010 Security Bulletin Release
Hi everyone, Today, as part of our regular monthly security bulletin release cycle, we released 10 bulletins to address 34 total vulnerabilities in Windows, Microsoft Office (including SharePoint), Internet Explorer (IE), Internet Information Services (IIS), and the .NET Framework. Only three of these...
8 Jun 2010
June 2009 Bulletin Release
Summary of Microsoft’s monthly security bulletin release for June 2009. Today we released 10 new security bulletins . 6 of those affect Windows with two rated as critical, three rated as important and one as moderate. The remaining four all have an aggregate rating of critical and affect Internet Explorer...
9 Jun 2009
Out with the old, in with the April 2013 security updates
Windows XP was originally released on August 24, 2001. Since that time, high-speed Internet connections and wireless networking have gone from being a rarity to the norm, and Internet usage has grown from 360 million to almost two-and-a-half billion users. Thanks to programs like Skype, we now make video...
9 Apr 2013
December 2010 Security Bulletin Release
Hi everyone. As part of our usual cycle of monthly security updates, today Microsoft is releasing 17 bulletins addressing 40 vulnerabilities in Microsoft Windows, Office, Internet Explorer, SharePoint Server and Exchange. Two of those bulletins carry a Critical rating, while 14 are rated Important...
14 Dec 2010
Exploitability Index Improvements & Advance Notification Service for May 2011 Bulletin Release
Hello everyone, Today we are announcing changes to Microsoft’s Exploitability Index. Since October 2008, we have used the Exploitability Index to provide customers with valuable exploitability analysis for our security bulletins, and starting Tuesday this information will become even more...
5 May 2011
February 2010 Security Bulletin Release
MSRC Bulletin Release Blog Post Hi everyone, As mentioned in our ANS blog post last week, today we are releasing 13 bulletins addressing 26 vulnerabilities. 11 bulletins affect Windows and 2 affect older versions of Microsoft Office. In the post on Thursday, we mentioned that bulletins in the ANS listed...
9 Feb 2010
Exploitability Index Improvements Now Offer Additional Guidance
Exploitability Index Improvements Now Offer Additional Guidance In October of 2008, Microsoft published its first Exploitability Index: a rating system that helps customers identify the likelihood that a specific vulnerability would be exploited within the first 30 days after bulletin release. ...
5 May 2011
September 2010 Security Bulletin Release
Hi everyone, With this month's bulletin release, I want to highlight the great work done through our partnerships in the Microsoft Active Protections Program (MAPP). MAPP represents our commitment to community based defense and a shared sense of responsibility to help protect the computing ecosystem...
13 Sep 2010
December 2009 Security Bulletin Release
Summary of Microsoft’s Security Bulletin Release for December 2009 As noted in our Advance Notification ( ANS ) last Thursday, for the December bulletin release we issued six security bulletins addressing 12 vulnerabilities. Affected products include Windows, Internet Explorer (IE) and Microsoft Office...
8 Dec 2009
November 2012 Bulletin Release
Security Updates Today we released six security bulletins to help protect our customers - four Critical, one Important, and one Moderate – addressing 19 vulnerabilities in Microsoft Windows Shell, Windows Kernel, Internet Explorer, Internet Information Services (IIS), .NET Framework, and Excel...
13 Nov 2012
February 2011 Security Bulletin Release
Hello all -- Today, as part of our monthly security bulletin release, we have 12 bulletins addressing 22 vulnerabilities in Microsoft Windows, Office, Internet Explorer, and IIS (Internet Information Services). Three bulletins are rated Critical, and these are the bulletins we recommend for priority...
8 Feb 2011
Security Bulletin Webcast Video, Questions and Answers – June 2009
During the security bulletin webcast for June 2009, we answered a wide array of questions around the 10 bulletins we released. Of primary interest to customers, based on the number of questions we received on the topic, is the RPC issue addressed by MS09-026 . As this issue affects third party products...
13 Jun 2009
September 2009 Security Bulletin Webcast Video and Customer Q and A
In the September 2009 security bulletin webcast, it was clear that customers had a lot of concerns about MS09-048 as almost half the questions we answered were on that topic. The questions and answers from the session are now posted here on the blog . As we mentioned in the webcast, The MS09-048 bulletin...
12 Sep 2009
It’s That Time of Year, For the December 2012 Bulletin Release
Happy holidays! I hope everyone is enjoying the festive season. I like to get my holiday shopping done early, and this year was no exception. In the middle of my holiday shopping last week, as I passed my cash from one store to the next, I was reminded of “Pass-the-Hash.” (My mind does tend...
11 Dec 2012
August 2012 Bulletin Release
Security Advisory 2661254 - Update For Minimum Certificate Key Length Before we get into the details of this month’s bulletin release, let’s take a look at an important change on how Windows deals with certificates that have RSA keys of less than 1024 bits in length. We’ve been talking...
14 Aug 2012
Q&A from April 2011 Security Bulletin Webcast
Hello, Today we published the April Security Bulletin Webcast Questions & Answers page . We fielded 14 questions on various topics during the webcast, including bulletins released, deployment tools, and update detection tools. There were two questions during the webcast that we were unable to...
14 Apr 2011
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