Knowledgebase Catalog

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KB# Last Updated Description
KB5094141 Jun 10, 2026 KB5094141 is a servicing stack update (SSU) released on June 9, 2026, designed for Windows 10 version 1607 and Windows Server 2016 across all editions. This update addresses critical infrastructure improvements to the servicing stack, which is the foundational component…
KB5097150 Jun 10, 2026 .NET 9.0 Update - June 9, 2026 represents a servicing release for the .NET 9.0 runtime environment, delivering critical security enhancements and maintenance improvements to the platform. This update is distributed through Microsoft Update for Windows client operating systems and…
KB5095051 Jun 10, 2026 KB5095051 is a cumulative update released on June 9, 2026, for Windows 11 version 26H1, addressing OS Build 28000.2269. This update consolidates the latest security patches and quality improvements from the previous two months of development, specifically incorporating enhancements from…
KB5093998 Jun 10, 2026 KB5093998 represents the June 2026 cumulative security update for Windows 11 version 23H2, released on June 9, 2026, with OS Build 22631.7219. This patch consolidates the latest security fixes addressing vulnerabilities discovered in previous months, along with quality improvements derived…
KB5087545 Jun 09, 2026 KB5087545 is the May 2026 cumulative security update for Windows Server 2022, delivering OS Build 20348.5139. This update represents Microsoft's monthly security patch cycle and incorporates quality improvements from previous months' optional preview releases. The update addresses security vulnerabilities and…
KB5088863 Jun 09, 2026 KB5088863 is a cumulative security and quality update for the .NET Framework targeting Windows 10 Version 22H2, released on May 12, 2026. This update addresses critical security vulnerabilities affecting .NET Framework versions 3.5, 4.8, and 4.8.1. The patch represents Microsoft's…
KB5087539 Jun 09, 2026 KB5087539 is a cumulative security update for Windows Server 2025 released on May 12, 2026, with OS Build 26100.32860. This update consolidates the latest security fixes and quality improvements, incorporating content from previous monthly updates including KB5082063 (April 14, 2026)…
KB5094156 Jun 09, 2026 KB5094156 is a Safe OS Dynamic Update released by Microsoft on June 9, 2026, specifically designed for Windows 11 version 23H2 across all editions. This update addresses critical infrastructure concerns related to Secure Boot certificate expiration, which affects the majority…
KB5087471 Jun 09, 2026 KB5087471 is a Monthly Rollup security update released on May 12, 2026, for Windows Server 2012 R2 Extended Security Updates (ESU). This cumulative security update delivers critical fixes and quality improvements to address ongoing security vulnerabilities and system stability concerns…
KB5095185 Jun 09, 2026 KB5095185 is a Safe OS Dynamic Update released on June 9, 2026, specifically designed for Windows 11 version 26H1 across all editions. This update addresses critical infrastructure concerns related to Secure Boot certificate expiration, which affects the majority of Windows…
KB5096160 Jun 09, 2026 KB5096160 is a Setup Dynamic Update released on May 26, 2026, for Windows 11 version 26H1 across all editions. This update focuses on enhancing the Windows setup infrastructure by improving setup binaries and associated files utilized during feature updates. The…
KB5082123 May 31, 2026 KB5082123 is an April 2026 security update for Windows Server 2019 and Windows 10 Enterprise LTSC 2019 (OS Build 17763.8644). This cumulative update addresses multiple security vulnerabilities and introduces quality improvements across the operating system. The update is particularly significant…
KB5084067 May 31, 2026 KB5084067 is a cumulative security and quality update for the .NET Framework targeting multiple versions (3.5, 4.8, and 4.8.1) on Windows 10 Version 21H2, released on April 14, 2026. This patch was subsequently revised on April 22, 2026, to incorporate…
KB5082414 May 31, 2026 KB5082414 is an April 2026 cumulative security and reliability update targeting .NET Framework 3.5 and 4.8 installations on Windows 10 version 1809 and Windows Server 2019 systems. This patch represents Microsoft's regular maintenance cycle for the .NET Framework ecosystem, bundling…
KB5082402 May 31, 2026 KB5082402 is an April 2026 security and quality rollup update specifically designed for .NET Framework versions 4.6.2, 4.7, 4.7.1, and 4.7.2 running on Windows Server 2012 R2. This cumulative update represents part of Microsoft's Extended Security Updates (ESU) program for…
KB5082089 May 31, 2026 KB5082089 is a servicing stack update (SSU) released on April 14, 2026, designed for Windows 10 version 1607 Enterprise LTSB, Windows 10 IoT Enterprise LTSB 1607, and all editions of Windows Server 2016. Servicing stack updates represent a critical component…
KB5082126 May 31, 2026 KB5082126 is an April 2026 monthly rollup security update specifically designed for Windows Server 2012 R2 Extended Security Update (ESU) environments. This cumulative update represents the latest in Microsoft's ongoing commitment to providing security patches for legacy server infrastructure that…
KB5083817 May 31, 2026 KB5083817 is a Safe OS Dynamic Update for Windows 11 version 26H1, released on April 14, 2026. This update specifically targets improvements to the Windows Recovery Environment (WinRE), which is the critical system component responsible for system recovery and troubleshooting…
KB5084071 May 31, 2026 KB5084071 is a cumulative security and quality update for the .NET Framework targeting Windows Server 2022 environments. Released on April 14, 2026, this patch addresses multiple critical vulnerabilities affecting .NET Framework versions 3.5, 4.8, and 4.8.1. The update consolidates security…
KB5084070 May 31, 2026 KB5084070 is a comprehensive security and quality rollup released on April 14, 2026, designed for multiple versions of the .NET Framework running on Windows Server 2012 R2. This patch addresses six distinct security vulnerabilities spanning remote code execution, denial-of-service, security…
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