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Severity Rating: Important Revision Note: V2.0 (April 11, 2017): To comprehensively address CVE-2017-0027 for Office for Mac 2011 only, Microsoft is releasing security update 3212218. Microsoft recommends that customers running Office for Mac 2011 install update 3212218 to be fully protected from this vulnerability. See Microsoft Knowledge Base Article 3212218 for more information. Summary: This security update resolves vulnerabilities in Microsoft Office. The most severe of the vulnerabilities could allow remote code execution if a user opens a specially crafted Microsoft Office file. An attacker who successfully exploited the vulnerabilities could run arbitrary code in the context of the current user. Customers whose accounts are configured to have fewer user rights on the system could be less impacted than those who operate with administrative user rights. More...

Revision Note: V1.0 (May 9, 2017): Advisory published. Summary: Beginning May 9, 2017, Microsoft released updates to Microsoft Edge and Internet Explorer 11 to block sites that are protected with a SHA-1 certificate from loading and displays an invalid certificate warning. This change will only impact SHA-1 certificates that chain to a Microsoft Trusted Root CA where the end-entity certificate or the issuing intermediate uses SHA-1. Manually-installed enterprise or self-signed SHA-1 certificates will not be impacted, although we recommend that all customers quickly migrate to SHA-2. For more information, please see Windows Enforcement of SHA1 Certificates. More...

Severity Rating: Critical Revision Note: V3.0 (May 9, 2017): Microsoft has re-released security update 4017018 for affected editions of Windows Server 2008. The re-release has been re-classified as a security update. Microsoft recommends that customers should install update 4017018 to be fully protected from CVE-2017-0038. Customers who have already installed the update do not need to take any further action. In addition, this security update correction also applies to Windows Server 2008 for Itanium-based Systems. Summary: This security update resolves vulnerabilities in Microsoft Windows, Microsoft Office, Skype for Business, Silverlight and Microsoft Lync. The most serious of these vulnerabilities could allow remote code execution if a user either visits a specially crafted website or opens a specially crafted document. Users whose accounts are configured to have fewer user rights on the system could be less impacted than users who operate with administrative user rights. More...

Revision Note: V1.1 (May 10, 2017): Advisory revised to include a table of issue CVEs and their descriptions. This is an informational change only. Summary: Microsoft is releasing this security advisory to provide information about vulnerabilities in the public .NET Core and ASP.NET Core. This advisory also provides guidance on what developers can do to update their applications correctly. More...

Severity Rating: Critical Revision Note: V1.2 (May 12, 2017): Added entries into the affected software table. This is an informational change only. Summary: Microsoft is releasing this security advisory to inform customers that an update to the Microsoft Malware Protection Engine addresses a security vulnerability that was reported to Microsoft. More...

Severity Rating: Critical Revision Note: V1.3 (May 12, 2017): Updated FAQ to clarify the update that needs to be installed: ?the current cumulative update?. This is an informational change only. Summary: Microsoft is releasing this security advisory to provide information related to an uncommon deployment scenario in which the Windows Update Client may not properly scan for, or download, updates. More...

Revision Note: V1.0 (June 13, 2017): Advisory published Summary: Microsoft is announcing the availability of additional guidance for critical security updates, that are at heightened risk of exploitation due to past and threatened nation-state attacks and disclosures. Some of the releases are new, and some are for older platforms that we are making publicly available today. More...

Revision Note: V1.0 (June 27, 2017): Advisory published. Summary: Microsoft is releasing this security advisory to inform customers that a new version of Azure Active Directory (AD) Connect is available that addresses an Important security vulnerability. More...

Revision Note: V2.0 (July 11, 2017): Revised Windows Affected Software and Vulnerability Severity Ratings table to include Windows 10 Version 1703 for 32-bit Systems and Windows 10 Version 1703 for x64-based Systems because they are affected by CVE-2016-3305. Microsoft recommends that customers running Windows 10 Version 1703 should install update 4025342 to be protected from this vulnerability. Summary: This bulletin summary lists security bulletins released for September 2016. More...

Severity Rating: Important Revision Note: V2.0 (July 11, 2017): Revised Windows Affected Software and Vulnerability Severity Ratings table to include Windows 10 Version 1703 for 32-bit Systems and Windows 10 Version 1703 for x64-based Systems because they are affected by CVE-2016-3305. Microsoft recommends that customers running Windows 10 Version 1703 should install update 4025342 to be protected from this vulnerability. Summary: This security update resolves vulnerabilities in Microsoft Windows. The vulnerabilities could allow elevation of privilege if an attacker runs a specially crafted application on a target system. More...

Revision Note: V1.0 (August 8, 2017): Advisory published. Summary: Microsoft is releasing this security advisory to provide information regarding security settings for applications developed with the Microsoft Internet Explorer layout engine, also known as the Trident layout engine. This advisory also provides guidance on what developers and individuals can do to ensure that their applications hosting the WebBrowser Control are properly secured. More...

Severity Rating: Critical Revision Note: V2.0 (August 8, 2017): To comprehensively address CVE-2017-0071, Microsoft released the July security updates for all versions of Windows 10. Note that Windows 10 for 32-bit Systems, Windows 10 for x64-based Systems, Windows 10 Version 1703 for 32-bit Systems, and Windows 10 Version 1703 for x64-based Systems have been added to the Affected Products table as they are also affected by this vulnerability. Microsoft recommends that customers who have not already done so install the July 2017 security updates to be fully protected from this vulnerability. Summary: This security update resolves vulnerabilities in Microsoft Edge. The most severe of the vulnerabilities could allow remote code execution if a user views a specially crafted webpage using Microsoft Edge. An attacker who successfully exploited these vulnerabilities could take control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. More...

Revision Note: V4.0 (August 8, 2017): For MS17-007, to comprehensively address CVE-2017-0071, Microsoft released the July security updates for all versions of Windows 10. Note that Windows 10 for 32-bit Systems, Windows 10 for x64-based Systems, Windows 10 Version 1703 for 32-bit Systems, and Windows 10 Version 1703 for x64-based Systems have been added to the Affected Products table as they are also affected by this vulnerability. Microsoft recommends that customers who have not already done so install the July 2017 security updates to be fully protected from this vulnerability Summary: This bulletin summary lists security bulletins released for March 2017 More...

Severity Rating: Important Revision Note: V1.1 (August 23, 2017): Corrected the Updates Replaced for security update 3196726 to None. This is an informational change only. Customers who have already successfully installed the update do not need to take any further action. Summary: This security update resolves vulnerabilities in Microsoft Windows. The most severe of the vulnerabilities could allow elevation of privilege if a locally authenticated attacker runs a specially crafted application. More...

Revision Note: V4.0 (September 12, 2017): For MS16-039, revised the Windows Operating Systems and Components affected software table to include Windows 10 Version 1703 for 32-bit Systems and Windows 10 Version 1703 for x64-based Systems because they are affected by CVE-2016-0165. Consumers running Windows 10 are automatically protected. Microsoft recommends that enterprise customers running Windows 10 Version 1703 ensure they have update 4038788 installed to be protected from this vulnerability. Summary: This bulletin summary lists security bulletins released for April 2016. More...

Severity Rating: Critical Revision Note: V4.0 (September 12, 2017): Revised the Microsoft Windows affected software table to include Windows 10 Version 1703 for 32-bit Systems and Windows 10 Version 1703 for x64-based Systems because they are affected by CVE-2016-0165. Consumers running Windows 10 are automatically protected. Microsoft recommends that enterprise customers running Windows 10 Version 1703 ensure they have update 4038788 installed to be protected from this vulnerability. Summary: This security update resolves vulnerabilities in Microsoft Windows, Microsoft .NET Framework, Microsoft Office, Skype for Business, and Microsoft Lync. The most severe of the vulnerabilities could allow remote code execution if a user opens a specially crafted document or visits a webpage that contains specially crafted embedded fonts. More...

Revision Note: V3.0 (September 12, 2017): For MS16-123, revised the Windows Operating System and Components affected software table to include Windows 10 Version 1703 for 32-bit Systems and Windows 10 Version 1703 for x64-based Systems because they are affected by CVE-2016-3376. Consumers using Windows 10 are automatically protected. Microsoft recommends that enterprise customers running Windows 10 Version 1703 ensure they have update 4038788 installed to be protected from this vulnerability. Summary: This bulletin summary lists security bulletins released for October 2016. More...

Severity Rating: Critical Revision Note: V3.0 (September 12, 2017): Revised the Affected Software table to include Internet Explorer 11 installed on Windows 10 Version 1703 for 32-bit Systems and Internet Explorer 11 installed on Windows 10 Version 1703 for x64-based Systems because they are affected by CVE-2016-3326. Consumers using Windows 10 are automatically protected. Microsoft recommends that enterprise customers running Internet Explorer on Windows 10 Version 1703 ensure they have update 4038788 installed to be protected from this vulnerability. Customers who are running other versions of Windows 10 and who have installed the June cumulative updates do not need to take any further action. Summary: This security update resolves vulnerabilities in Internet Explorer. The most severe of the vulnerabilities could allow remote code execution if a user views a specially crafted webpage using Internet Explorer. An attacker who successfully exploited the vulnerabilities could gain the same user rights as the current user. If the current user is logged on with administrative user rights, an attacker could take control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. More...

Revision Note: V3.0 (September 12, 2017): For MS16-095, revised the Windows Operating System and Components Affected Software table to include Internet Explorer 11 installed on Windows 10 Version 1703 for 32-bit Systems and Internet Explorer 11 installed on Windows 10 Version 1703 for x64-based Systems because they are affected by CVE-2016-3326. Microsoft recommends that customers running Internet Explorer on Windows 10 Version 1703 install update 4038788 to be protected from this vulnerability. Summary: This bulletin summary lists security bulletins released for August 2016. More...

Severity Rating: Important Revision Note: V3.0 (September 12, 2017): Revised the Affected Software table to include Windows 10 Version 1703 for 32-bit Systems and Windows 10 Version 1703 for x64-based Systems because they are affected by CVE-2016-3376. Consumers using Windows 10 are automatically protected. Microsoft recommends that enterprise customers running Windows 10 Version 1703 ensure they have update 4038788 installed to be protected from this vulnerability. Summary: This security update resolves vulnerabilities in Microsoft Windows. The more severe of the vulnerabilities could allow elevation of privilege if an attacker logs on to an affected system and runs a specially crafted application that could exploit the vulnerabilities and take control of an affected system. More...

Revision Note: V2.0 (September 12, 2017): For MS16-087, to address known issues with the 3170455 update for CVE-2016-3238, Microsoft has made available the following updates for currently-supported versions of Microsoft Windows: ? Rereleased update 3170455 for Windows Server 2008 ? Monthly Rollup 4038777 and Security Update 4038779 for Windows 7 and Windows Server 2008 R2 ? Monthly Rollup 4038799 and Security Update 4038786 for Windows Server 2012 ? Monthly Rollup 4038792 and Security Update 4038793 for Windows 8.1 and Windows Server 2012 R2 ? Cumulative Update 4038781 for Windows 10 ? Cumulative Update 4038781 for Windows 10 Version 1511 ? Cumulative Update 4038782 for Windows 10 Version 1607 and Windows Server 2016. Microsoft recommends that customers running Windows Server 2008 reinstall update 3170455. Microsoft recommends that customers running other supported versions of Windows install the appropriate update. See Microsoft Knowledge Base Article 3170005 (https://support.microsoft.com/en-us/help/3170005) for more information. Summary: This bulletin summary lists security bulletins released for July 2016. More...

Severity Rating: Critical Revision Note: V2.0 (September 12, 2017): To address known issues with the 3170455 update for CVE-2016-3238, Microsoft has made available the following updates for currently-supported versions of Microsoft Windows: ? Rereleased update 3170455 for Windows Server 2008 ? Monthly Rollup 4038777 and Security Update 4038779 for Windows 7 and Windows Server 2008 R2 ? Monthly Rollup 4038799 and Security Update 4038786 for Windows Server 2012 ? Monthly Rollup 4038792 and Security Update 4038793 for Windows 8.1 and Windows Server 2012 R2 ? Cumulative Update 4038781 for Windows 10 ? Cumulative Update 4038781 for Windows 10 Version 1511 ? Cumulative Update 4038782 for Windows 10 Version 1607 and Windows Server 2016. Microsoft recommends that customers running Windows Server 2008 reinstall update 3170455. Microsoft recommends that customers running other supported versions of Windows install the appropriate update. See Microsoft Knowledge Base Article 3170005 (https://support.microsoft.com/en-us/help/3170005) for more information. Summary: This security update resolves vulnerabilities in Microsoft Windows. The more severe of the vulnerabilities could allow remote code execution if an attacker is able to execute a man-in-the-middle (MiTM) attack on a workstation or print server, or sets up a rogue print server on a target network. More...

Severity Rating: Important Revision Note: V1.1 (October 19, 2017): Corrected a typo in the CVE description. Summary: This security update resolves a publicly disclosed vulnerability in Microsoft Windows. The vulnerability could allow information disclosure if a user browses to a website containing specially crafted JPEG content. An attacker could use this information disclosure vulnerability to gain information about the system that could then be combined with other attacks to compromise the system. The information disclosure vulnerability by itself does not allow arbitrary code execution. However, an attacker could use this information disclosure vulnerability in conjunction with another vulnerability to bypass security features such as Address Space Layout Randomization (ASLR). More...

Revision Note: V1.0 (December 12, 2017): Advisory published. Summary: Microsoft is releasing this security advisory to provide information regarding security settings for the AD DS (Active Directory Domain Services) account used by Azure AD Connect for directory synchronization. This advisory also provides guidance on what on-premises AD administrators can do to ensure that the account is properly secured. More...

Revision Note: V3.0 (January 9, 2018): Microsoft has released an update for all supported editions of Microsoft Excel that allows users to set the functionality of the DDE protocol based on their environment. For more information and to download the update, see ADV170021. Summary: Microsoft is releasing this security advisory to provide information regarding security settings for Microsoft Office applications. This advisory provides guidance on what users can do to ensure that these applications are properly secured when processing Dynamic Data Exchange (DDE) fields. More...