Knowledgebase Catalog

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KB# Last Updated Description
KB5086097 May 31, 2026 KB5086097 represents a Microsoft patch release, though specific details about this update are currently limited in publicly available sources. The patch appears to be part of Microsoft's regular maintenance and security update cycle. Without comprehensive documentation readily accessible through standard…
KB5082127 May 31, 2026 KB5082127 is an April 2026 security monthly rollup update designed for Windows Server 2012 Extended Security Update (ESU) environments. This cumulative security patch represents the continuation of Microsoft's extended support commitment for Windows Server 2012, which reached mainstream end of…
KB5082237 May 31, 2026 KB5082237 is a Safe OS Dynamic Update for Windows Server 2025 released on April 14, 2026. This update specifically targets the Windows Recovery Environment (WinRE), which is a critical component responsible for system recovery and troubleshooting operations. The update represents…
KB5083631 May 31, 2026 KB5083631 is a non-security preview update released on April 30, 2026, for Windows 11 versions 24H2 and 25H2, updating systems to OS builds 26100.8328 and 26200.8328 respectively. This optional cumulative update delivers production-quality improvements and new features designed to enhance…
KB5083806 May 31, 2026 KB5083806 is a non-security preview update for Windows 11 version 26H1, released on April 30, 2026, with OS Build 28000.1896. This cumulative update delivers production-quality improvements across multiple system components and introduces several AI-powered enhancements alongside reliability and performance refinements.…
KB5087583 May 31, 2026 KB5087583 is a Setup Dynamic Update released by Microsoft on April 30, 2026, designed to enhance the Windows 11 setup process for versions 24H2 and 25H2. This update targets the foundational setup binaries and related files utilized during feature updates,…
KB5082425 May 31, 2026 KB5082425 is an April 2026 cumulative security and reliability update for .NET Framework 3.5 and 4.8.1 deployed on Windows Server 2022. This patch addresses multiple critical vulnerabilities affecting the .NET Framework runtime environment, including a remote code execution flaw and…
KB5083769 May 31, 2026 KB5083769 is the April 2026 cumulative security update for Windows 11 versions 25H2 and 24H2, released on April 14, 2026 with OS builds 26200.8246 and 26100.8246. This update consolidates security fixes and quality improvements from multiple previous releases spanning March…
KB5083991 May 31, 2026 KB5083991 is a Safe OS Dynamic Update for Windows 11 version 26H1, released on April 30, 2026. This update specifically targets the Windows Recovery Environment (WinRE) with improvements designed to enhance the reliability and functionality of system recovery capabilities. The…
KB5082403 May 30, 2026 KB5082403 is an April 2026 Security and Quality Rollup for .NET Framework 4.8 specifically designed for Windows Server 2012 systems. This update represents a cumulative package of security fixes and reliability improvements for the .NET Framework runtime environment. The patch…
KB5082413 May 30, 2026 KB5082413 is a cumulative security and reliability update released on April 14, 2026, targeting .NET Framework 3.5 and 4.7.2 across Windows 10 version 1809 and Windows Server 2019 platforms. This patch addresses multiple critical vulnerabilities within the .NET Framework ecosystem,…
KB5091571 May 30, 2026 KB5091571 is an out-of-band cumulative update released on April 19, 2026, for Windows Server, version 23H2 (OS Build 25398.2276). This emergency patch was issued to address critical issues that emerged following the April 14, 2026 security update (KB5082060). The update…
KB5086095 May 30, 2026 KB5086095 represents a Microsoft patch release, though specific details about this particular update are limited in available public documentation. The Microsoft Support page for this KB appears to be either unavailable or not fully indexed at the time of analysis.…
KB5082421 May 28, 2026 KB5082421 is a cumulative security and reliability update for the .NET Framework 4.8.1 runtime environment on Windows 11, version 26H1, released on April 14, 2026. This patch represents Microsoft's commitment to maintaining the stability and security posture of the .NET…
KB5084165 May 12, 2026 KB5084165 is a security-focused cumulative update for .NET Framework 3.5 released on April 14, 2026, targeting Windows 11 version 26H1 (build 28000) and later. This update delivers the complete .NET Framework 3.5 product as a standalone installer rather than individual…
KB5078882 Apr 30, 2026 KB5078882 is a Safe OS Dynamic Update for Windows 11 version 23H2, released on March 10, 2026. This update specifically targets the Windows Recovery Environment (WinRE), which is a critical component responsible for system recovery and troubleshooting operations. The update…
KB5078752 Apr 30, 2026 KB5078752 is a cumulative security update released on March 10, 2026, for Windows Server 2019 and Windows 10 Enterprise LTSC 2019 (OS Build 17763.8511). This update represents a continuation of the February 10, 2026 KB5075904 release and includes both security…
KB5078883 Apr 30, 2026 KB5078883 is a cumulative security update released on March 10, 2026, for Windows 11 version 23H2 (OS Build 22631.6783). This update represents Microsoft's monthly patch delivery combining the latest servicing stack update with critical security fixes and quality improvements. The…
KB5078885 Apr 30, 2026 KB5078885 is a March 2026 cumulative security update for Windows 10 Extended Security Updates (ESU) and Windows 10 Enterprise LTSC 2021, updating systems to OS builds 19045.7058 and 19044.7058 respectively. This update represents a critical maintenance release addressing security vulnerabilities…
KB5083990 Apr 30, 2026 KB5083990 is a Setup Dynamic Update for Windows 11 version 26H1, released on March 26, 2026. This update focuses on improving the Windows setup infrastructure and installation binaries used during feature updates for Windows 11 version 26H1. The patch is…
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