Security Bulletin

Today we released Security Advisory 2755801 that addresses vulnerabilities in Adobe Flash Player in Internet Explorer 10 on Windows 8. The majority of customers have automatic updates enabled and will not need to take any action because protections...

Earlier this week, an issue impacting Internet Explorer affected a small number of customers. The potential exists, however, that more customers could be affected. As a result, today we have released a Fix it that is available to address that issue...

We will release a Fix it in the next few days to address an issue in Internet Explorer, as outlined in the Security Advisory 2757760 that we released yesterday. While we have only seen a few attempts to exploit the issue, impacting an extremely...

Today we released Security Advisory 2757760 to address an issue that affects Internet Explorer 9 and earlier versions if a user views a website hosting malicious code. Internet Explorer 10 is not affected. We have received reports of only a small...

Hello, Today we published the September Security Bulletin Webcast Questions & Answers page. During the webcast, we fielded thirteen questions, focusing primarily on MS12-061, covering Visual Studio Team Foundation Server; MS12-062, affecting System...

As I previously mentioned in the Advance Notification blog on Thursday, today we are releasing two security bulletins, both of which are rated Important. These bulletins will increase protection by addressing two unique vulnerabilities in the...

简体中文, 繁體中文, Français, Italiano, 日本語, 한국어, México, Portuguese (Brazil), Русский Hello there. As we prepare for

Today, we published Security Advisory 2743314, which provides guidance that will help protect customers from a technique that could allow a man-in-the middle attack to obtain a user’s domain credentials when VPN is configured to use PPTP and MSCHAPv2...

Hello. Today we’re publishing the August 2012 Security Bulletin Webcast Questions & Answers page. During the webcast, we fielded twelve questions focusing primarily on MS12-060 covering Windows Common Controls, MS12-052 regarding Internet Explorer...

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...

Today we’re providing advanced notification on the release of nine bulletins, five Critical and four Important, for August 2012. The five Critical security bulletins are addressing ten vulnerabilities in Microsoft Windows, Internet Explorer, Exchange...

Minutes ago in Las Vegas at the Microsoft Researcher Appreciation Party, we completed the journey we set out on together at the 2011 Black Hat briefings. There, we asked the security research community to focus its talent and expertise on defense, to...