Security Bulletin

Today, as part of Update Tuesday, we released 14 security bulletins to address vulnerabilities in Microsoft Windows, Microsoft Office, Microsoft Exchange, and Internet Explorer. We encourage customers to apply all of these updates. For more...

Today, we released Security Advisory 3046015 to provide guidance to customers in response to the SSL/TLS issue referred to by researchers as “FREAK” (Factoring attack on RSA-EXPORT Keys). Our investigation continues and we’ll take the necessary steps...

Today, as part of Update Tuesday, we released nine security bulletins– three rated Critical and six rated Important in severity, to address 56 unique Common Vulnerabilities and Exposures (CVEs) in Microsoft Windows, Microsoft Office, Internet...

Today we are releasing MS15-011 & MS15-014 which harden group policy and address network access vulnerabilities that can be used to achieve remote code execution (RCE) in domain networks. The MS15-014 update addresses an issue in Group Policy update...

Today, as part of Update Tuesday, we released eight security updates– one rated Critical and seven rated Important in severity, to address eight unique Common Vulnerabilities and Exposures (CVEs) in Microsoft Windows. We encourage you to apply all of...

For years our customers have been in the trenches against cyberattacks in an increasingly complex digital landscape. We’ve been there with you, as have others. And we aren’t going anywhere. Forces often seek to undermine and disrupt technology and...

Our Advance Notification Service (ANS) was created more than a decade ago as part of Update Tuesday to broadly communicate in advance, about the security updates being released for Microsoft products and services each month. Over the years...

Today, as part of Update Tuesday, we released seven security updates – three rated Critical and four rated Important in severity, to address 24 unique Common Vulnerabilities and Exposures (CVEs) in Microsoft Windows, Internet Explorer (IE), Office...

Today, we provide advance notificationfor the release of seven Security Bulletins. Three of these updates are rated Critical and four are rated as Important in severity. These updates are for Microsoft Windows, Internet Explorer (IE), Office and...

Today, we released an out-of-band security update to address a vulnerability in Kerberos which could allow Elevation of Privilege. This update is for all supported versions of Windows Server and includes a defense-in-depth update for all supported...

On Tuesday, November 18, 2014, at approximately 10 a.m. PST, we will release an out-of-band security update to address a vulnerability in Windows. We strongly encourage customers to apply this update as soon as possible, following the directions in...

Today Microsoft released update MS14-068 to address CVE-2014-6324, a Windows Kerberos implementation elevation of privilege vulnerability that is being exploited in-the-wild in limited, targeted attacks. The goal of this blog post is to provide...