Knowledgebase Catalog

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KB# Last Updated Description
KB5089570 Jun 10, 2026 KB5089570 represents a cumulative preview update for Windows 11 version 26H1, released on May 26, 2026, with OS Build 28000.2179. This update delivers production-quality improvements and enhancements across multiple system components, combining both new feature introductions and stability refinements. The…
KB5087054 Jun 10, 2026 KB5087054 is a cumulative security update released on May 12, 2026, designed for Windows 11 version 24H2 systems. This patch specifically targets the .NET Framework 3.5 and 4.8.1 components, addressing critical security vulnerabilities that could potentially allow attackers to elevate…
KB5094125 Jun 10, 2026 KB5094125 is a cumulative security update for Windows Server 2025 released on June 9, 2026, with OS Build 26100.32995. This update incorporates the latest security fixes and quality improvements from the previous month's optional preview release (KB5087539 from May 12,…
KB5087593 Jun 10, 2026 KB5087593 is a Safe OS Dynamic Update released on May 12, 2026, specifically designed for Windows 10 Enterprise LTSC 2021 and Windows 10 ESU (Extended Security Updates) systems. This update focuses on enhancing the Windows Recovery Environment (WinRE), which is…
KB5093447 Jun 10, 2026 KB5093447 represents a Windows security and quality update released as part of Microsoft's regular patch cycle. This update is designed to address vulnerabilities and improve system stability across supported Windows operating systems. The patch has been evaluated based on available…
KB5094150 Jun 10, 2026 KB5094150 is a Safe OS Dynamic Update for Windows Server 2025 released on June 9, 2026. This update specifically addresses improvements to the Windows Recovery Environment (WinRE), which is a critical component of the Windows operating system responsible for system…
KB5089573 Jun 10, 2026 KB5089573 is a cumulative quality update for Windows 11 versions 24H2 and 25H2, released on May 26, 2026, targeting OS builds 26200.8524 and 26100.8524. This update represents a significant shift in Microsoft's approach to Windows optimization, focusing on performance enhancements…
KB5089591 Jun 10, 2026 KB5089591 is a Safe OS Dynamic Update released on May 12, 2026, specifically designed for Windows 11 version 26H1 across all editions. This update focuses on enhancing the Windows Recovery Environment (WinRE), which is a critical component of the Windows…
KB5087069 Jun 10, 2026 KB5087069 is a security and quality rollup update for .NET Framework 4.8 specifically designed for Windows Server 2012 R2 systems, released on May 12, 2026. This update is part of Microsoft's Extended Security Updates (ESU) program, which provides continued security…
KB5094122 Jun 10, 2026 KB5094122 is a cumulative security update released on June 9, 2026, for Windows Server 2016, Windows 10 Enterprise LTSB 2016, and Windows 10 IoT Enterprise LTSB 2016 (OS Build 14393.9234). This update addresses critical security vulnerabilities and quality improvements as…
KB5087592 Jun 10, 2026 KB5087592 is a Safe OS Dynamic Update released on May 12, 2026, specifically designed for Windows 10 Enterprise LTSC 2019 and Windows Server 2019. This update focuses on enhancing the Windows Recovery Environment (WinRE), which is a critical component responsible…
KB5094153 Jun 10, 2026 KB5094153 is a Safe OS Dynamic Update released on June 9, 2026, specifically designed for Windows 10 version 1809 Enterprise LTSC and Windows Server 2019. This update addresses critical infrastructure concerns related to Secure Boot certificate expiration that affects most…
KB5094154 Jun 10, 2026 KB5094154 is a Safe OS Dynamic Update released on June 9, 2026, specifically designed for Windows 10 versions 21H2 and 22H2, including Windows 10 Enterprise LTSC 2021 and Windows 10 ESU installations. This update addresses critical infrastructure concerns related to…
KB5094149 Jun 10, 2026 KB5094149 is a Safe OS Dynamic Update released on June 9, 2026, specifically designed for Windows 11 versions 24H2 and 25H2. This update addresses critical infrastructure related to Windows Secure Boot certificate expiration, which affects most Windows devices globally. The…
KB5092427 Jun 10, 2026 KB5092427 is a cumulative update preview released on May 26, 2026, specifically targeting .NET Framework 3.5 and 4.8.1 on Windows 11 version 25H2. This update represents Microsoft's ongoing commitment to maintaining stability and reliability across its .NET Framework ecosystem. The…
KB5087420 Jun 10, 2026 KB5087420 is the May 2026 cumulative security update for Windows 11 version 23H2, released on May 12, 2026, with OS Build 22631.7079. This update represents Microsoft's monthly Patch Tuesday release and combines the latest servicing stack update (SSU KB5086307) with…
KB5088864 Jun 10, 2026 KB5088864 represents a cumulative security and quality update for the .NET Framework targeting multiple versions across Windows 10 version 1809 and Windows Server 2019 environments. Released on May 12, 2026, this patch consolidates updates for .NET Framework 3.5, 4.7.2, and…
KB5093448 Jun 10, 2026 .NET 9.0 Update (May 12, 2026) represents a servicing release that delivers critical security enhancements to the .NET 9.0 runtime environment. This update is designed for organizations and individual users who have .NET 9.0 deployed across their Windows infrastructure. As…
KB5088064 Jun 10, 2026 KB5088064 is a servicing stack update (SSU) released on May 12, 2026, designed for Windows 10 version 1607 and Windows Server 2016 across all editions. This update addresses the servicing stack, which is the foundational component responsible for installing and…
KB5092765 Jun 10, 2026 KB5092765 is a Setup Dynamic Update patch released on May 26, 2026, designed for Windows 11 version 24H2 and Windows 11 version 25H2 across all editions. This update focuses on enhancing the Windows setup infrastructure by improving the binaries and…
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