Security Bulletin

Hello. Today we’re releasing six security bulletins – one Critical-class, four Important and one Moderate – addressing seven issues in Microsoft Windows, Visual Studio, and Expression Design. We recommend that customers focus on MS12-020, our sole...

Hello. Today we’re releasing our advance notification for the March security bulletin release, which is scheduled for Tuesday, March 13. This month’s release includes six bulletins addressing seven vulnerabilities in Microsoft Windows, Visual Studio...

Hello, Today we published the February Security Bulletin Webcast Questions & Answers page. We fielded ten questions on various topics during the webcast, including bulletins released, deployment tools, and update detection tools. Many of the...

Ever wondered where Update Tuesday bulletins come from, or what it’s like around Microsoft when a serious information-security situation arises? Or wondered who precisely is responsible for getting your monthly bulletin releases out the door? Update...

Hello. Today we’re releasing our advance notification for the February security bulletin release, which is scheduled for Tuesday, February 14. This month’s release includes nine bulletins addressing 21 vulnerabilities in Microsoft Windows, Office...

Hello, Today we published the January Security Bulletin Webcast Questions & Answers page. We fielded nine questions on various topics during the webcast, including bulletins released, deployment tools, and update detection tools. There were two...

Hello. As I previously mentioned in the Advance Notification Service blog post on Thursday, today we are releasing seven security bulletins, one of which is rated Critical in severity, with the remaining six classified as Important. These bulletins...

Hello. Today we’re releasing our advance notification for the January security bulletin release, which is scheduled for Tuesday, January 10. This month’s release includes seven bulletins addressing eight vulnerabilities in Microsoft Windows and...

Hello, Today we published the December 2011 Out-of-Band Security Bulletin Webcast Questions & Answers page. We fielded 41 questions on the subject of MS11-100. There were four questions during the webcast that we were unable to answer and we have...

Hello, Today we released Security Update MS11-100 to address the issue described in Security Advisory 2659883. The security update has a severity rating of Critical and resolves a publicly disclosed remote unauthenticated Denial of Service issue in...

Hello, Today we’re providing advance notification for an out-of-band security update to address the publicly disclosed issue described in Security Advisory 2659883. The release is scheduled for tomorrow, December 29, at approximately 10 a.m. PST. The...

Hello, Today we published Security Advisory 2659883 to provide a workaround to help protect ASP.NET customers from a publicly disclosed vulnerability that affects various Web platforms industry-wide. We are not aware of any attacks using this...