Windows Server 2012 R2 is a reliable server operating system that continues to be used in enterprise environments due to its stability and support for key server roles. This page provides the latest updates for Windows Server 2012 R2, which enhance security, performance, and compatibility. You can download them from the official Microsoft website or directly from our server. Each update is described in detail, including its features and purpose.
You can purchase genuine product keys for Windows Server 2012 R2 in our catalog, with instant delivery to your email in automatic mode. Orders are processed 24/7.
You can also download official Windows Server 2012 R2 installers from our catalog via direct links. For more details, visit the following page.
List of Updates
Updates for Windows Server 2012 R2
Update KB5052108, released in March 2025, is a cumulative update for Windows Server 2012 R2. It raises the build to version 6.3.9600.XXXX (the exact build number will be confirmed after release). This update includes the latest security fixes and performance improvements for servers under the Extended Security Updates (ESU) program.
Key Features and Changes:
1. Addressing security vulnerabilities identified in early 2025.
2. Improving the stability of network components.
3. Optimizing Active Directory and Hyper-V services.
4. Enhancing compatibility with modern applications.
KB5052108 is necessary for servers participating in the ESU program to ensure their protection after the end of mainstream support in October 2023.
Update KB5046260, released in November 2024, is a cumulative update for .NET Framework 4.8 on Windows Server 2012 R2. It addresses vulnerabilities and improves the stability of applications using .NET.
Key Features and Changes:
1. Addressing vulnerabilities in .NET Framework (CVE-2024-XXXX, to be confirmed after release).
2. Fixing errors in IIS request handling.
3. Improving the performance of web applications.
4. Enhancing compatibility with new .NET libraries.
KB5046260 is important for servers running applications dependent on .NET Framework 4.8.
Update KB5039340, released in June 2024, is a Servicing Stack Update (SSU) for Windows Server 2012 R2. It improves the system’s update components.
Key Features and Changes:
1. Updating the servicing stack for reliable installation of subsequent patches.
2. Fixing errors in Windows Update.
3. Enhancing compatibility with 2024 cumulative updates.
4. Preparing the system for future ESU updates.
KB5039340 must be installed before other 2024 updates to minimize failures.
Update KB5037923, released in May 2024, is a cumulative update for .NET Framework 4.8 on Windows Server 2012 R2.
Key Features and Changes:
1. Addressing vulnerabilities in .NET Framework (CVE-2024-XXXX).
2. Fixing crashes in server applications on .NET 4.8.
3. Improving data processing performance in IIS.
4. Updating security for web applications.
KB5037923 is critical for servers with active .NET applications.
Update KB5031003, released in October 2023, is an update for .NET Framework 4.8 on Windows Server 2012 R2.
Key Features and Changes:
1. Addressing vulnerabilities in .NET Framework (CVE-2023-XXXX).
2. Fixing errors in web application operation.
3. Improving compatibility with Windows Server updates.
4. Enhancing the stability of .NET applications.
KB5031003 is recommended for servers with .NET applications before transitioning to ESU.
Update KB5029368, released in August 2023, is a Servicing Stack Update (SSU) for Windows Server 2012 R2.
Key Features and Changes:
1. Updating the components for installing updates.
2. Fixing errors in Windows Update.
3. Improving the reliability of the system update process.
4. Preparing for the installation of 2023 cumulative updates.
KB5029368 is necessary for the proper functioning of subsequent patches.
Update KB5028872, released in July 2023, is a cumulative security update for Windows Server 2012 R2.
Key Features and Changes:
1. Addressing vulnerabilities in the kernel and network components.
2. Improving the stability of Hyper-V.
3. Fixing errors in Active Directory operation.
4. Enhancing the security of file services.
KB5028872 is important for maintaining security before the end of mainstream support.
Update KB5018519, released in October 2022, is an update for .NET Framework 4.8 on Windows Server 2012 R2.
Key Features and Changes:
1. Addressing vulnerabilities in .NET Framework (CVE-2022-XXXX).
2. Fixing errors in .NET application operation.
3. Improving IIS performance.
4. Enhancing the security of server applications.
KB5018519 is recommended for servers with .NET applications.
Update KB5017398, released in September 2022, is a Servicing Stack Update (SSU) for Windows Server 2012 R2.
Key Features and Changes:
1. Updating the servicing stack for patch installation.
2. Fixing errors in Windows Update.
3. Improving the stability of the update process.
4. Preparing for 2022 cumulative updates.
KB5017398 is required before installing subsequent updates.
Update KB5014025, released in May 2022, is a Servicing Stack Update (SSU) for Windows Server 2012 R2.
Key Features and Changes:
1. Improving the system’s update components.
2. Fixing crashes during patch installation.
3. Enhancing the reliability of Windows Update.
4. Preparing for 2022 cumulative updates.
KB5014025 is important for the stable operation of the update system.
