bulletins

Severity Rating: Important Revision Note: V1.0 (September 8, 2015): Bulletin published. Summary: This security update resolves a vulnerability in Active Directory. The vulnerability could allow denial of service if an authenticated attacker creates multiple machine accounts. To exploit the...

Today, as part of Update Tuesday, we released 8 security bulletins. We encourage customers to apply all of these updates. For more information about this month’s security updates, including the detailed view of the Exploitability Index (XI), visit the Microsoft Bulletin Summary webpage. If you...

Today, as part of Update Tuesday, we released 13 security bulletins. We encourage customers to apply all of these updates. For more information about this month’s security updates, including a detailed view of the Exploitability Index (XI), visit the Microsoft Bulletin Summary webpage. If you...

Today, as part of Update Tuesday, we released 11 security bulletins. We encourage customers to apply all of these updates. For more information about this month’s security updates, including the detailed view of the Exploitability Index (XI), visit the Microsoft Bulletin Summary webpage. If you...

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 information about this month’s security updates...

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 Explorer, and Microsoft Server software. We...

This month we release five bulletins to address 23 unique CVEs in Microsoft Windows, Internet Explorer and Silverlight. If you need to prioritize, the update for Internet Explorer addresses the issue first described in Security Advisory 2934088, so it should be at the top of your list. While...

On October 1, 2003, Microsoft announced it would move to a monthly security bulletin cadence. Today, marks 10 years since that first monthly security update. We looked at many ways to improve our security preparedness and patch timing was the number one customer request. Your feedback was clear...

This month we release eight bulletins – four Critical and four Important - which address 26 unique CVEs in Microsoft Windows, Internet Explorer, SharePoint, .NET Framework, Office, and Silverlight. For those who need to prioritize their deployment planning, we recommend focusing on MS13-080...

Revision Note: V2.0 (December 13, 2011): Advisory updated to reflect publication of security bulletins. Summary: Microsoft has completed the investigation into a public report of this vulnerability. We have issued MS11-087 to address this issue. For more information about this issue, including...

Revision Note: Advance Notification published. Summary: This is an advance notification of security bulletins that Microsoft is intending to release on July 9, 2013. More...

Today we’re providing Advance Notification of five bulletins for release on Tuesday, June 11, 2013. This release brings one Critical- and four Important-class bulletins. The Critical-rated bulletin addresses issues in Internet Explorer, and the Important-rated bulletins address issues in...

Revision Note: Advance Notification published. Summary: This is an advance notification of security bulletins that Microsoft is intending to release on June 11, 2013. More...

Today, we are releasing 10 bulletins, addressing 33 vulnerabilities in Microsoft products. Before we get into the details, we wanted to first let our enterprise customers know about a change in how we’re communicating technical details within our security advisories. Starting today...

Revision Note: Advance Notification published. Summary: This is an advance notification of security bulletins that Microsoft is intending to release on April 9, 2013. More...

Revision Note: Advance Notification published. Summary: This is an advance notification of security bulletins that Microsoft is intending to release on April 9, 2013. More...

Revision Note: Advance Notification published. Summary: This is an advance notification of security bulletins that Microsoft is intending to release on March 12, 2013. More...

Before we discuss this month’s release, I wanted to briefly touch on the big event happening this week. No, I’m not talking about the romantically-themed holiday on Thursday. I’m talking about the start of spring training and the return of baseball. There are a few things I am...

We’re kicking off the February 2013 Security Bulletin Release with Advance Notification of 12 bulletins for release Tuesday, February 12. This release brings five Critical and seven Important-class bulletins, which address 57 unique vulnerabilities. The Critical-rated bulletins address...

Revision Note: Advance Notification published. Summary: This is an advance notification of security bulletins that Microsoft is intending to release on January 8, 2013. More...