Knowledgebase Catalog

August 2026

KB#Last UpdatedDescription
KB5099414Aug 12, 2026KB5099414 is the July 2026 Patch Tuesday cumulative security update for Windows 11 version 23H2, released on July 14, 2026, with OS Build 22631.7376. This mandatory update addresses 571 security vulnerabilities and includes both security fixes and quality improvements from…
KB5099538Aug 12, 2026KB5099538 is a cumulative security update for Windows 10 version 1809, Windows Server version 1809, and Windows Server 2019, released on July 14, 2026, advancing the OS build to 17763.9020. This patch is part of Microsoft's regular monthly security update…
KB5102203Aug 12, 2026KB5102203 is a cumulative security update for .NET Framework 3.5, 4.8, and 4.8.1 released on July 14, 2026, targeting Windows 10 Version 22H2. This patch addresses multiple security vulnerabilities including denial of service, remote code execution, elevation of privilege, and…
KB5100991Aug 12, 2026KB5100991 is a July 14, 2026 Security and Quality Rollup for .NET Framework versions 4.6.2, 4.7, 4.7.1, and 4.7.2 on Windows Server 2012 R2. This update addresses multiple critical security vulnerabilities and reliability improvements for the .NET Framework. Note that…
KB5101007Aug 12, 2026KB5101007 is a cumulative security and reliability update for .NET Framework 4.8 released on July 14, 2026, targeting Windows 10 version 1607 and Windows Server 2016. This patch addresses multiple security vulnerabilities including denial of service, elevation of privilege, remote…
KB5099542Aug 12, 2026KB5099542 is a servicing stack update (SSU) released on July 14, 2026, for Windows 10 version 1607 Enterprise LTSB, Windows 10 IoT Enterprise LTSB 2016, and Windows Server 2016 across all editions. This update enhances the servicing stack—the core component…
KB5102205Aug 12, 2026KB5102205 is a Security and Quality Rollup released on July 14, 2026, for .NET Framework versions 3.5, 4.6.2, 4.7, 4.7.1, 4.7.2, and 4.8 on Windows Server 2012 R2. This patch addresses multiple critical security vulnerabilities including remote code execution, elevation…
KB5099548Aug 12, 2026KB5099548 is a Safe OS Dynamic Update released on July 14, 2026, for Windows 10 version 1607 and Windows Server 2016. This update specifically targets improvements to the Windows Recovery Environment (WinRE). The patch addresses a critical compatibility issue introduced…
KB5101001Aug 12, 2026KB5101001 is a cumulative security and reliability update for .NET Framework 3.5 and 4.8.1 released on July 14, 2026, targeting Windows 11 version 24H2. This update addresses multiple security vulnerabilities and improves framework stability. The patch is available through Windows…
KB5101005Aug 12, 2026KB5101005 is a cumulative security and reliability update for .NET Framework 3.5 and 4.8.1 released on July 14, 2026, targeting Windows Server 2022. This patch addresses multiple critical vulnerabilities including remote code execution, elevation of privilege, and denial of service…
KB5099536Aug 12, 2026KB5099536 is a cumulative security and quality update for Windows Server 2025 released on July 14, 2026 (OS Build 26100.33158). This update includes the latest security fixes and improvements along with non-security updates from the previous month's optional preview release.…
KB5106412Aug 12, 2026KB5106412 is a servicing stack update (SSU) released on July 14, 2026, for Windows Server 2012 R2 Extended Security Updates (ESU). This update improves the servicing stack component responsible for installing Windows updates and ensuring devices can receive and install…
KB5101681Aug 12, 2026KB5101681 is a cumulative update for Windows 11 version 26H1 released on July 28, 2026 (OS Build 28000.2608). This preview update delivers production-quality improvements across multiple system components including user interface enhancements, accessibility features, and reliability fixes. The update is…
KB5101650Aug 12, 2026KB5101650 is a cumulative security update released on July 14, 2026, for Windows 11 versions 25H2 and 24H2 (OS Builds 26200.8875 and 26100.8875). This patch addresses multiple security vulnerabilities and includes quality improvements alongside new features. The update was temporarily…
KB5099552Aug 12, 2026KB5099552 is a Safe OS Dynamic update for Windows Server 2022 released on July 14, 2026. This update enhances the Windows Recovery Environment (WinRE) with targeted improvements to system reliability and compatibility. The update addresses issues introduced by previous security…
KB5099539Aug 12, 2026KB5099539 was released on July 14, 2026, for Windows 10 versions 22H2 and 21H2, updating OS Builds 19045.7548 and 19044.7548 respectively. This is a standard monthly security and quality update as part of Microsoft's Extended Security Updates (ESU) program for…
KB5106414Aug 12, 2026KB5106414 is a servicing stack update (SSU) released on July 14, 2026, for Windows Server 2012 Extended Security Updates (ESU). This update enhances the servicing stack component responsible for installing Windows updates, ensuring devices can reliably receive and install Microsoft…
KB5120711Aug 12, 2026KB5120711 is a cumulative security and reliability update for .NET Framework 4.8.1 released on August 11, 2026, targeting Windows 11 version 26H1. This patch addresses multiple critical security vulnerabilities including elevation of privilege and remote code execution issues. The update…
KB5100985Aug 12, 2026KB5100985 is a Security and Quality Rollup for .NET Framework 3.5 released on July 14, 2026, for Windows Server 2012 R2. This update addresses multiple critical security vulnerabilities affecting .NET Framework components. The patch is part of the Extended Security…
KB5099444Aug 12, 2026KB5099444 is a Monthly Rollup security update released on July 14, 2026, for Windows Server 2012 R2. This cumulative update addresses security vulnerabilities and includes quality improvements as part of the Extended Security Updates (ESU) program. The update is critical…
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