Microsoft Security Response Center

Speculative Execution Bounty Launch

Wednesday, March 14, 2018

Today, Microsoft is announcing the launch of a limited-time bounty program for speculative execution side channel vulnerabilities. This new class of vulnerabilities was disclosed in January 2018 and represented a major advancement in the research in this field. In recognition of that threat environment change, we are launching a bounty program to encourage research into the new class of vulnerability and the mitigations Microsoft has put in place to help mitigate this class of issues.

March 2018 security update release

Tuesday, March 13, 2018

Today, we released security updates to provide additional protections against malicious attackers. By default, Windows 10 receives these updates automatically, and for customers running previous versions, we recommend they turn on automatic updates as a best practice. More information about this month’s security updates can be found in the Security Update Guide.

Inside the MSRC– The Monthly Security Update Releases

Wednesday, February 14, 2018

For the second in this series of blog entries we want to look into which vulnerability reports make it into the monthly release cadence. It may help to start with some history. In September 2003 we made a change from a release anytime approach to a mostly predictable, monthly release cadence.

February 2018 security update release

Tuesday, February 13, 2018

Today, we released security updates to provide additional protections against malicious attackers. By default, Windows 10 receives these updates automatically, and for customers running previous versions, we recommend they turn on automatic updates as a best practice. More information about this month’s security updates can be found in the Security Update Guide.

Inside the MSRC – How we recognize our researchers

Friday, February 02, 2018

This is the first of a series of blog entries to give some insight into the Microsoft Security Response Center (MSRC) business and how we work with security researchers and vulnerability reports. The Microsoft Security Response Center actively recognizes those security researchers who help us to protect our several billion customers and their endpoints in several ways.

January 2018 security update release

Tuesday, January 09, 2018

Today, we released security updates to provide additional protections against malicious attackers. By default, Windows 10 receives these updates automatically, and for customers running previous versions, we recommend they turn on automatic updates as a best practice. More information about this month’s security updates can be found in the Security Update Guide.

December 2017 security update release

Tuesday, December 12, 2017

Today, we released security updates to provide additional protections against malicious attackers. By default, Windows 10 receives these updates automatically, and for customers running previous versions, we recommend they turn on automatic updates as a best practice. More information about this month’s security updates can be found in the Security Update Guide.

Clarifying the behavior of mandatory ASLR

Tuesday, November 21, 2017

Last week, the CERT/CC published an advisory describing some unexpected behavior they observed when enabling system-wide mandatory Address Space Layout Randomization (ASLR) using Windows Defender Exploit Guard (WDEG) and EMET on Windows 8 and above. In this blog post, we will explain the configuration issue that CERT/CC encountered and describe work arounds to enable the desired behavior.

November 2017 security update release

Tuesday, November 14, 2017

Today, we released security updates to provide additional protections against malicious attackers. By default, Windows 10 receives these updates automatically, and for customers running previous versions, we recommend they turn on automatic updates as a best practice. More information about this month’s security updates can be found in the Security Update Guide.

October 2017 security update release

Tuesday, October 10, 2017

Today, we released security updates to provide additional protections against malicious attackers. By default, Windows 10 receives these updates automatically, and for customers running previous versions, we recommend they turn on automatic updates as a best practice. More information about this month’s security updates can be found in the Security Update Guide.

Microsoft Security Response Center Blog