advisory

Today we released Security Advisory 2953095 to notify customers of a vulnerability in Microsoft Word. At this time, we are aware of limited, targeted attacks directed at Microsoft Word 2010. An attacker could cause remote code execution if someone was convinced to open a specially crafted Rich...

Today we provide advance notification for the release of five bulletins for March 2014, two rated Critical and thee rated Important in severity. These updates address issues in Microsoft Windows, Internet Explorer and Silverlight. The update provided in MS14-012 fully addresses the issue first...

Today, we released Security Advisory 2934088 regarding an issue that impacts Internet Explorer 9 and 10. Internet Explorer 6, 7, 8 and 11 are not affected. At this time, we are only aware of limited, targeted attacks against Internet Explorer 10. This issue allows remote code execution if users...

Revision Note: V1.1 (July 3, 2013): Clarified that disabling Windows Sidebar and Gadgets can help protect customers from potential attacks that leverage Gadgets to execute arbitrary code. This is an informational change only. Summary: Microsoft is announcing the availability of an automated...

Today we’re publishing the Link Removed. We answered 17 questions in total, with the majority of questions focusing on the Graphics Component bulletin (MS13-096), Security Advisory 2915720 and Security Advisory 2905247. We also wanted to note a new blog on the Microsoft Security Blog site on...

Severity Rating: Critical Revision Note: V1.2 (December 16, 2013): Revised bulletin to announce a detection change to correct an offering issue for Windows RT (2757638). This is a detection change only. There were no changes to the update files. Customers who have successfully installed the...

Today we released Security Advisory 2896666 regarding an issue that affects customers using Microsoft Windows Vista and Windows Server 2008, Microsoft Office 2003 through 2010, and all supported versions of Microsoft Lync. We are aware of targeted attacks, largely in the Middle East and South...

There are times when we get too close to a topic. We familiarize ourselves with every aspect and nuance, but fail to recognize not everyone else has done the same. Whether you consider this myopia, navel-gazing, or human nature, the effect is the same. I recognized this during the recent webcast...

Link Removed

Revision Note: V1.0 (December 10, 2013): Advisory published. Summary: Microsoft is announcing the availability of an update for all supported releases of Windows to change how signatures are verified for binaries signed with the Windows Authenticode signature format. The change is included with...

Revision Note: V1.0 (December, 10, 2013): Advisory published. Summary: Microsoft is announcing the availability of an update for Microsoft ASP.NET to address a vulnerability in ASP.NET view state that exists when Machine Authentication Code (MAC) validation is disabled through configuration...

Revision Note: V1.0 (December 10, 2013): Advisory published. Summary: Microsoft is announcing the availability of an update for all supported releases of Windows to change how signatures are verified for binaries signed with the Windows Authenticode signature format. The change is included with...

Revision Note: V1.0 (December 9, 2013): Advisory published. Summary: Microsoft is aware of an improperly issued subordinate CA certificate that could be used in attempts to spoof content, perform phishing attacks, or perform man-in-the-middle attacks. The subordinate CA certificate was...

Revision Note: V1.0 (November 27, 2013): Advisory published. Summary: Microsoft is investigating new reports of a vulnerability in a kernel component of Windows XP and Windows Server 2003. We are aware of limited, targeted attacks that attempt to exploit this vulnerability. Continue reading...

Today we released Security Advisory 2914486 regarding a local elevation of privilege (EoP) issue that affects customers using Microsoft Windows XP and Server 2003. Windows Vista and later are not affected by this local EoP issue. A member of the Microsoft Active Protections Program (MAPP) Link...

Revision Note: V1.0 (November 12, 2013): Advisory published. Summary: Microsoft is announcing a policy change to the Microsoft Root Certificate Program. The new policy will no longer allow root certificate authorities to issue X.509 certificates using the SHA-1 hashing algorithm for the purposes...

Revision Note: V1.0 (November 12, 2013): Advisory published. Summary: Microsoft is announcing the availability of an update for all supported releases of Windows to address a vulnerability in how DirectAccess authenticates DirectAccess server connections to DirectAccess clients. Continue reading...

Revision Note: V1.0 (November 12, 2013): Advisory published. Summary: Microsoft is announcing a policy change to the Microsoft Root Certificate Program. The new policy will no longer allow root certificate authorities to issue X.509 certificates using the SHA-1 hashing algorithm for the purposes...

Revision Note: V1.0 (November 12, 2013): Advisory published. Summary: Microsoft is announcing the availability of an update for supported editions of Windows 7, Windows Server 2008 R2, Windows 8, Windows Server 2012, and Windows RT to address known weaknesses in RC4. The update supports the...

Revision Note: V1.0 (November 12, 2013): Advisory published. Summary: Microsoft is announcing the availability of an update for supported editions of Windows 7, Windows Server 2008 R2, Windows 8, Windows Server 2012, and Windows RT to address known weaknesses in RC4. The update supports the...