Security Bulletin

Hi everyone – Mike Reavey here. Today, we’re releasing our December set of security updates. As we do every month, we’re providing a heads-up on what’s coming in this month’s release as well as offering links to more information so you can plan your...

Hello. As I previously mentioned in the Advance Notification Service blog post on Thursday, today we are releasing 13 security bulletins, three of which are rated Critical in severity, and 10 Important. These bulletins will increase protection by...

Hello all. Before we look at next week’s bulletin release, we’d like to point out an update to our Microsoft Active Protections Program (MAPP) that should provide customers with greater transparency as to how MAPP partners use the information we...

Hi everyone, As a follow-up to Friday’s blog post, today we released Security Advisory 2641690 to notify customers that we revoked the trust of DigiCert Sdn.Bhd in an update that moves two Intermediate Certificate Authorities (CA) certificates to the...

Hello, On this November Update Tuesday, we’re recapping the BlueHat conference, which Microsoft hosted in Redmond last week. We are also releasing four security updates, so please read on for details. Microsoft hosted its 11th installment of the...

Hello, As we do each month, we’re providing advance notification on the release of four security bulletins, one Critical, two Important, and one Moderate, to address four CVEs in Windows. As usual, the bulletin release is scheduled for the second...

Hi everyone, Today we released Security Advisory 2639568 to provide customer guidance for the Windows kernel issue related to the Duqu malware. I would like to provide you information on how to protect your system(s), how we are addressing the issue...

Hi everyone, This post is to notify customers that Microsoft will revoke trust in an Intermediate Certificate Authority, DigiCert Sdn. Bhd. (Digicert Malaysia) in an update to be released through Windows Update. DigiCert Sdn. Bhd is a Malaysian...

Hello, Today we published the October Security Bulletin Webcast Questions & Answers page. We fielded eight questions across all bulletins. There was one question that we were unable to answer during the webcast due to time constraints, and we have...

Hello, On this October Update Tuesday, we are releasing the 11th volume of the Security Intelligence Report, SIRv11, which puts zero-day vulnerabilities into context against other global threats. We are also releasing eight security updates so please...

Hello, As we do each month, we’re providing advanced notification on the release of eight security bulletins, two Critical and six Important, to address 23 vulnerabilities across Internet Explorer, .NET Framework & Silverlight, Microsoft Windows...

Hello. Today we released Security Advisory 2588513, addressing an information-disclosure issue in SSL (Secure Sockets Layer) 3.0 and TLS (Transport Layer Security) 1.0 to provide guidance for customers. This is an industry-wide issue with limited...