You may note that Microsoft releases out-of-band updates for Windows at times. Do you know what an out-of-band release for Windows is? You can get the relevant information from this MiniTool lib.

What Is an Out-of-Band Update for Windows?

In Windows operating systems, the term out-of-band update carries significant weight and importance. But what exactly does it mean?

Typically, Microsoft always releases Windows updates to improve functionality, fix bugs, enhance security, or introduce new features.  Windows updates are regularly scheduled, often referred to as Patch Tuesday. These updates always occur on the second Tuesday of each month. These updates are comprehensive, covering a wide range of issues identified since the last update cycle.

However, at times, critical vulnerabilities or issues may affect many users. Waiting for the next scheduled update is not feasible and safe in such a situation. This is where out-of-band updates (OOB updates) come into play.

Different Types of Windows 10/11 Updates: Things You Want to Know
Different Types of Windows 10/11 Updates: Things You Want to Know

In this post, we will introduce the different types of Windows updates, including feature updates, cumulative updates, security updates, and more.

Read More

Here is the explanation of an out-of-band release for Windows:

Definition and Purpose for Out-of-Band Releases for Windows

An out-of-band update for Windows refers to a software patch or update that is released outside of the normal update schedule. These are usually reserved for critical security fixes or urgent improvements that cannot wait.

For example, Microsoft released KB5039705 to fix KB5037765 Install Errors.

out-of-band update KB5039705

Common Reasons for Out-of-Band Updates

  • Security Vulnerabilities: A severe security flaw is discovered that could potentially be exploited by malicious actors. Then, Microsoft may issue an out-of-band update to quickly patch the vulnerability and protect users.
  • Critical Bugs: A significant software bug is identified that causes widespread issues or affects essential functionality. Then, an out-of-band update may be released to address the problem promptly.
  • Emerging Threats: In cases where new types of cyber threats emerge that Windows needs to guard against, an out-of-band update might be necessary to strengthen defenses.

Out-of-Band Updates for Windows Implementation and Download

Microsoft releases OOB updates through the same channels as regular updates. The normal channels contain Windows Update, Microsoft Update Catalog, and Windows Server Update Services (WSUS). Users are typically notified of these updates through their system’s update mechanisms, ensuring they can quickly apply the necessary patches.

Impact and Considerations when Referring to an Out-of-Band Update for Windows

While out-of-band updates are crucial for addressing urgent issues, they can also disrupt regular operations by requiring immediate deployment and potentially causing compatibility issues with existing software or hardware configurations. Therefore, Microsoft carefully evaluates the need for such updates to minimize disruptions while ensuring the security and stability of Windows systems.

Protect Your System and Data

In essence, an out-of-band update for Windows is a specialized release designed to swiftly address critical issues that cannot wait until the next scheduled update cycle. By deploying these updates, Microsoft aims to protect users from emerging threats, fix severe vulnerabilities, and maintain the overall security and reliability of Windows operating systems worldwide.

However, even an out-of-band release can cause issues like data loss. To protect your files, you’d better use MiniTool ShadowMaker, professional Windows backup software, to back up your PC. This backup software can back up files, folders, partitions, disks, and systems to another location.

MiniTool ShadowMaker TrialClick to Download100%Clean & Safe

If you lose your files but there is no available backup, you can try data recovery software like MiniTool Power Data Recovery to get your files back. This file recovery tool can recover any files from hard disk drives, SSDs, SD cards, memory cards, USB flash drives, and more.

MiniTool Power Data Recovery FreeClick to Download100%Clean & Safe


Understanding the significance of out-of-band updates underscores their importance in maintaining a secure computing environment and ensuring that Windows users are safeguarded against evolving threats and vulnerabilities.

  • linkedin
  • reddit