Knowledgebase Catalog

February 2026

KB#Last UpdatedDescription
KB5078131Feb 10, 2026This out-of-band update includes fixes and improvements that are part of the following updates: January 13, 2026—KB5073723 (OS Build 17763.8276) January 17, 2026—KB5077795 (OS Build 17763.8280) The update addresses issues where some applications became unresponsive or encountered unexpected errors when…
KB5078136Feb 10, 2026This out-of-band update for Windows Server 2022 (KB5078136) is cumulative, including security fixes and improvements from previous updates. It addresses several issues, such as applications becoming unresponsive or encountering errors when opening or saving files to cloud storage, and Outlook…
KB5077863Feb 10, 2026The KB5077863 update is a security update for Microsoft Office that addresses several vulnerabilities. This update is designed to improve the security and stability of Office applications, helping to protect users from potential threats and ensure a more reliable user…
KB5074109Feb 10, 2026This cumulative update for Windows 11, version 25H2 and 24H2 (KB5074109), includes the latest security fixes and improvements, along with non-security updates from last month's optional preview release. It addresses several known issues, including problems with networking in Windows Subsystem…
KB5073932Feb 10, 2026This update makes improvements to the Windows recovery environment (WinRE).
KB5074752Feb 10, 2026.NET 8.0 has been refreshed with the latest update as of January 13, 2026. This update contains non-security fixes. The .NET 8.0 servicing updates are upgrades, and the latest servicing update for 8.0 will remove the previous 8.0 update upon…
KB5073447Feb 10, 2026This servicing stack update (SSU) makes quality improvements to the servicing stack, which is the component that installs Windows updates. Servicing stack updates make sure that you have a robust and reliable servicing stack so that your devices can receive…
KB5078133Feb 10, 2026This out-of-band update for Windows Server 23H2 (KB5078133) is a cumulative update that includes security fixes and improvements from previous updates, as well as an additional fix. The update addresses issues where some applications became unresponsive or encountered unexpected errors…
KB5074105Feb 10, 2026This non-security update for Windows 11, version 25H2 and 24H2 (KB5074105), improves functionality, performance, and reliability. It includes quality improvements and addresses several known issues, such as problems with sign-in, boot, and activation. The update also expands the functionality of…
KB5074828Feb 10, 2026The January 29, 2026 update for Windows 11, version 25H2 includes security and cumulative reliability improvements in .NET Framework 3.5 and 4.8.1. This update addresses a few specific issues in the .NET Runtime, including adding verification logic for ClickOnce to…
KB5074108Feb 10, 2026This update makes improvements to the Windows recovery environment (WinRE).
KB5073457Feb 10, 2026This cumulative update for Windows Server 2022 (KB5073457) includes the latest security fixes and improvements, along with non-security updates from last month's optional preview release. The update addresses several key issues, including:- Compatibility changes that remove certain modem drivers, rendering…
KB5073696Feb 10, 2026This is a cumulative security update for Windows Server 2012 R2 that includes fixes and quality improvements from previous monthly rollup updates. The update addresses a change in behavior for Windows Deployment Services (WDS) where hands-free deployment functionality will be…
KB5077795Feb 10, 2026This out-of-band update for Windows 10 Enterprise LTSC 2019 and Windows Server 2019 includes several fixes and quality improvements. The update addresses issues with Remote Desktop connections, where some users experienced sign-in failures. Additionally, the update includes a servicing stack…
KB5073723Feb 09, 2026This security update for Windows Server 2019 and Windows 10 Enterprise LTSC 2019 includes fixes and quality improvements that are part of the following updates: KB5071544 (released on December 9, 2025) and KB5074975 (released on December 18, 2025). The update…
KB5073379Feb 09, 2026This cumulative update for Windows Server 2025 (KB5073379) includes the latest security fixes and improvements, along with non-security updates from last month's optional preview release. It addresses several known issues, including problems with RemoteApp connections in Azure Virtual Desktop and…
KB5073931Feb 09, 2026This update makes improvements to the Windows recovery environment (WinRE).
KB5073450Feb 09, 2026This cumulative update for Windows Server, version 23H2 (KB5073450), includes the latest security fixes and improvements, along with non-security updates from last month's optional preview release. It addresses issues affecting apps such as Outlook, Teams, Edge, Chrome, and Excel where…
KB5074208Feb 08, 2026This update makes improvements to Windows setup binaries or any files that setup uses for feature updates in Windows 11, version 23H2. It is designed to improve the overall setup and recovery process for Windows 11 version 23H2.
KB5074207Feb 08, 2026This update makes improvements to Windows setup binaries or any files that setup uses for feature updates in Windows 10, version 21H2 and Windows 10, version 22H2.
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