Microsoft Update Catalog

Description: A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article. After you install this update, you may have to restart your system.

Architecture: AMD64

Classification: Security Updates

Supported products: Windows 8.1

Supported languages: all

MSRC Number: n/a

MSRC severity: Critical

KB article numbers: 4550970

More information:

https://support.microsoft.com/help/4550970

Support Url:

https://support.microsoft.com/help/4550970

This update has been replaced by the following updates:

n/a

This update replaces the following updates:

Security Update for Windows 8.1 for x64-based Systems (KB3153171)

Security Update for Windows 8.1 for x64-based Systems (KB3164033)

Update for Windows 8.1 for x64-based Systems (KB3136019)

Security Update for Windows 8.1 for x64-based Systems (KB3168965)

Security Update for Windows 8.1 for x64-based Systems (KB3164035)

Security Update for Windows 8.1 for x64-based Systems (KB3170377)

Security Update for Windows 8.1 for x64-based Systems (KB3156019)

Security Update for Windows 8.1 for x64-based Systems (KB3178034)

Security Update for Windows 8.1 for x64-based Systems (KB3087039)

2017-11 Update for Windows 8.1 for x64-based Systems (KB4055038)

Security Update for Windows 8.1 for x64-based Systems (KB3161664)

Security Update for Windows 8.1 for x64-based Systems (KB3177725)

Security Update for Windows 8.1 for x64-based Systems (KB2993651)

Update for Windows 8.1 for x64-based Systems (KB3187022)

Security Update for Windows 8.1 for x64-based Systems (KB3153199)

Security Update for Windows 8.1 for x64-based Systems (KB3156013)

Security Update for Windows 8.1 for x64-based Systems (KB3184471)