February 2025 Windows Security Updates Released and Available for Download

The release of **February 2025 security updates** for Windows and other Microsoft products has arrived. Most unmanaged Windows devices will automatically receive these updates.

This guide aims to support system administrators, no matter if they oversee a single PC or a vast network of devices. It provides vital details on the key security updates released by Microsoft, along with links to official resources, download options, and more.

Furthermore, we’ve compiled all the known issues acknowledged by Microsoft to help you navigate any challenges effectively.

Key Highlights of February 2025 Windows Security Updates

You can access the full list of released updates in the provided Excel spreadsheet. To download, click the link: Windows Security Updates February 2025.

Important Takeaways

Attention: The Windows 10 update may automatically install the new Outlook app for Windows.
Microsoft released a total of **63 security updates** for various Microsoft products, accompanied by 4 updates addressing non-Microsoft issues (for example, Chromium).
Vulnerable Windows Clients:
- Windows 10 versions: 21H2, 22H2
- Windows 11 versions: 22H2, 23H2, 24H2
Impacted Windows Server Clients:
- Windows Server 2008
- Windows Server 2019
- Windows Server 2022
As Windows 11 versions 22H2 (Home and Pro) have reached end of support, Microsoft will initiate automatic upgrades to newer Windows versions.

Detailed Security Update Overview

Below is a breakdown of supported Windows versions and their associated vulnerabilities.

Windows 10 version 22H2: 31 vulnerabilities: 1 critical, 330 important
- Critical Vulnerability: Windows LDAP Remote Code Execution Vulnerability — CVE-2025-21376
Windows 11 versions 22H2 and 23H2: 31 vulnerabilities: 1 critical, 30 important
- Same as Windows 10 22H2.
Windows 11 version 24H2: 35 vulnerabilities: 2 critical, 33 important
- Windows LDAP Remote Code Execution Vulnerability — CVE-2025-21376
- DHCP Client Service Remote Code Execution Vulnerability — CVE-2025-21379

Version-Specific Security Updates for Windows Server

Windows Server 2008 R2: 21 vulnerabilities: 1 critical, 20 important
- Critical Vulnerability: Windows LDAP Remote Code Execution Vulnerability — CVE-2025-21376
Windows Server 2012 R2: Data not available
Windows Server 2016: 32 vulnerabilities: 1 critical, 31 important
- Same as Server 2008 R2.
Windows Server 2019: 33 vulnerabilities: 1 critical, 32 important
- Same as Server 2008 R2.
Windows Server 2022: 33 vulnerabilities: 1 critical, 32 important
- Same as Server 2008 R2.
Windows Server 2025: 37 vulnerabilities: 2 critical, 35 important
- Windows LDAP Remote Code Execution Vulnerability — CVE-2025-21376
- DHCP Client Service Remote Code Execution Vulnerability — CVE-2025-21379

Accessing the Latest Security Updates

Automatic installations occur for most unmanaged Windows 10 and 11 devices, but this process can take time—from minutes to potentially weeks.

To expedite updates, system administrators can manually check for updates by following these steps:

Open the Start menu, type **Windows Update**, and select the result.
Click the **Check for Updates** button to initiate a manual check.
If updates are not automatically downloaded, click **Download & Install All**.

Manual installation is also possible by following the direct download links below.

Direct Download Links for Updates

If you prefer to download updates directly, here are the necessary links:

Windows 10 version 22H2

KB5051974 — Cumulative Update for Windows 10 Version 21H2

Windows 11 version 22H2

KB5051989 — Cumulative Update for Windows 11 version 22H2

Windows 11 version 23H2

KB5051989 — Cumulative Update for Windows 11 version 23H2

Windows 11 version 24H2

KB5051987 — Cumulative Update for Windows 11 version 24H2

Additional Resources for Your Reference

Updating your systems regularly is key to maintaining security and performance. The proactive management of these updates will save you hours of troubleshooting later, ensuring your devices are protected against known vulnerabilities!

Source & Images