IT Reference & Documentation

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.