April 2025 Patch Tuesday Updates for Windows 10 (KB5055518, KB5055519, KB5055521) Released

April 2025 Patch Tuesday: Key Updates from Microsoft

Today marks the second Tuesday of the month, commonly referred to as Patch Tuesday, when Microsoft launches its monthly security updates. In April 2025, the tech giant has released crucial updates for both Windows Server 20H2 and the latest versions of Windows 10, including 20H2, 21H2, and 22H2.

The current updates are cataloged under KB5055518, with system builds updated to 19044.5737 for Windows 10 20H2 and 19045.5737 for the other versions. Users can access standalone download links for this update via the Microsoft Update Catalog here.

Security Enhancements Set the Tone

The primary focus of this update revolves around essential security patches designed to enhance the safety and security of Windows operating systems.

Highlights of KB5055518

This update addresses various security vulnerabilities affecting your Windows operating system.

Interestingly, this release is noted for having no documented issues—an uncommon occurrence that reflects positively on Microsoft’s quality control for this patch.

Updates for Older Windows Versions

Version	KB	Build	Download	Support Status
1809	KB5055519	17763.7136	Update Catalog	Long-Term Servicing Channel (LTSC)
1607	KB5055521	14393.7969	Update Catalog	Long-Term Servicing Channel (LTSC)

It’s important to note that Windows 10 versions 20H2 and 1909 have now reached their end of servicing. Additionally, non-LTSC editions of Windows 10 21H2 have also completed their servicing lifecycle.

For more detailed information, visit the original source of this news here.