What does the Windows Update Offline data support?

Overview

Windows Update Offline data is a dataset provided by the MDES SDK and is represented through several files within the Analog package. For example:

  • In the server folder, Windows Update Offline data is included in the patch_system_aggregation file.
  • In the client folder, the Windows Update Offline data is represented by the wuo.dat file.

This dataset allows customers to flexibly query available Microsoft KBs in both the Internet and non-Internet environment, helping endpoints determine which Microsoft updates are required for patching.

Currently, Windows Update Offline data focuses on supporting Windows operating systems newer than Windows 7 and a set of modern, widely-used applications, as outlined in the following sections.

Supported Classification

ClassificationSupported
Critical Updates❌
Definition Updates❌
Driver Sets❌
Drivers❌
Feature Packs❌
Security Updates✅
Service Packs✅
Tools❌
Update Rollups✅
Updates❌
Upgrades❌

Supported Operating Systems & Applications

Operating System/ApplicationSupportedMicrosoft EOS
Windows Server 2025✅❌
Windows Server 2022✅❌
Windows Server 2019✅❌
Windows Server 2016✅❌
Windows Server 2012 R2✅❌
Windows Server 2012✅❌
Windows Server 2008 R2✅✅
Windows Server 2008✅✅
Windows 11✅❌
Windows 10 LTSB✅❌
Windows 10✅❌
Windows 8.1✅✅
Windows 8✅✅
Windows 7✅✅
.NET 6.0✅✅
.NET 7.0✅✅
.NET 8.0✅❌
.NET 9.0✅❌
Microsoft Exchange Server 2019✅❌
Microsoft Exchange Server 2016✅❌
Microsoft Exchange Server 2013✅✅
Microsoft Exchange Server 2010✅✅
Microsoft Exchange Server 2007✅✅
Microsoft Exchange Server 2003✅✅
Microsoft Exchange 2000 Server✅✅
Microsoft SQL Server Express 2019✅❌
Microsoft SQL Server 2019✅❌
Microsoft SQL Server Express 2017✅❌
Microsoft SQL Server 2017✅❌
Microsoft SQL Server Express 2016✅❌
Microsoft SQL Server 2016✅❌
Microsoft SQL Server Express 2014✅❌
Microsoft SQL Server 2014✅❌
Microsoft SQL Server Express 2012✅❌
Microsoft SQL Server 2012✅❌
Microsoft SQL Server✅❌
Microsoft SQL Server 2008 R2✅✅
Microsoft SQL Server Express 2008✅✅
Microsoft Visual Studio 2015✅❌
Microsoft Visual Studio 2013✅✅
Microsoft Visual Studio 2012✅✅
Microsoft Office 2016 (MSI)✅❌
Microsoft Office 2013 (MSI)✅✅
Microsoft Office 2010 (MSI)✅✅
Microsoft Office 2007 (MSI)✅✅
Silverlight✅✅
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Next to read:
How is the Severity Score calculated for the Vulnerabilities?
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What does the Windows Update Offline data support?OverviewSupported ClassificationSupported Operating Systems & Applications