IT Reference & Documentation

KB5075970 — February 2026 Monthly Rollup for Windows Server 2012 R2

KB5075970 is a February 2026 monthly rollup update for Windows Server 2012 R2 that includes security fixes, stability improvements, and cumulative updates from previous releases.

KB5074993 — Security Update for Microsoft Exchange Server 2019 CU15

KB5074993 is a February 2026 security update that addresses critical vulnerabilities in Microsoft Exchange Server 2019 Cumulative Update 15, including remote code execution and privilege escalation flaws.

KB5078885 — March 2026 Security Update for Windows 10

KB5078885 is a March 2026 security update that addresses multiple vulnerabilities in Windows 10 versions 21H2 and 22H2, including critical fixes for Windows Kernel, Remote Desktop Services, and Windows Graphics components.

KB5075899 — March 2026 Cumulative Update for Windows 10 and Windows 11

KB5075899 is a March 2026 cumulative update that addresses multiple system stability issues, security vulnerabilities, and performance improvements for Windows 10 22H2 and Windows 11 23H2/24H2 systems.

KB5077212 — March 2026 Cumulative Update for Windows 10 and Windows 11

KB5077212 is a March 2026 cumulative update that addresses multiple security vulnerabilities, improves system stability, and resolves compatibility issues with modern hardware on Windows 10 and Windows 11 systems.

KB5075904 — March 2026 Cumulative Update for Windows 10 and Windows 11

KB5075904 is the March 2026 cumulative update for Windows 10 and Windows 11, addressing critical security vulnerabilities, improving system stability, and resolving issues with Windows Hello, File Explorer, and network connectivity.

KB5075899 — March 2026 Cumulative Update for Windows 10 and Windows 11

KB5075899 is the March 2026 cumulative update that addresses critical security vulnerabilities, improves Windows Hello authentication reliability, and resolves performance issues in Windows Search and File Explorer across Windows 10 and Windows 11 systems.

KB5077179 — March 2026 Cumulative Update for Windows 10 and Windows 11

KB5077179 is a March 2026 cumulative update that addresses critical security vulnerabilities, improves Windows Hello performance, and resolves File Explorer stability issues across Windows 10 22H2 and Windows 11 23H2/24H2 systems.

KB5078883 — March 2026 Cumulative Update for Windows 10 and Windows 11

KB5078883 is the March 2026 cumulative update that addresses critical security vulnerabilities, improves Windows Hello reliability, and resolves File Explorer performance issues on Windows 10 22H2 and Windows 11 23H2/24H2 systems.

KB5079473 — March 2026 Cumulative Update for Windows 10 and Windows 11

KB5079473 is the March 2026 cumulative update for Windows 10 and Windows 11, addressing critical security vulnerabilities, improving system stability, and resolving issues with Windows Hello authentication and Microsoft Edge integration.

KB5028997 — Cumulative Update for Windows 11 Version 22H2 and 23H2

KB5028997 is a cumulative update released in July 2023 for Windows 11 Version 22H2 and 23H2, addressing security vulnerabilities, system stability issues, and providing feature enhancements including fixes for Windows Search, File Explorer, and network connectivity problems.

KB4023057 — Update for Windows Update Service Components

KB4023057 is a reliability update that improves Windows Update service components and resolves issues with update installation failures, download errors, and service corruption on Windows 10 and Windows 11 systems.

KB5005565 — Cumulative Update for Windows 10 Version 21H1 and 21H2

KB5005565 is a cumulative update released in September 2021 that addresses multiple security vulnerabilities and system stability issues in Windows 10 Version 21H1 and 21H2, including fixes for print spooler vulnerabilities and Windows Hello authentication improvements.

KB890830 — Windows Malicious Software Removal Tool (MSRT) March 2026 Update

KB890830 delivers the March 2026 update for Windows Malicious Software Removal Tool (MSRT), adding detection and removal capabilities for 47 new malware families including advanced ransomware variants and AI-powered threats targeting Windows 10, Windows 11, and Windows Server systems.

KB5034441 — Security Update for Windows Recovery Environment

KB5034441 is a security update released in January 2024 that addresses CVE-2024-20666, a critical vulnerability in Windows Recovery Environment (WinRE) that could allow BitLocker encryption bypass on Windows 10 and Windows 11 systems.