May 13, 2025—Hotpatch KB5058500 (OS Build 20348.3630)

May 13, 2025—Hotpatch KB5058500 OS Build 20348.3630 Improvements and fixes This security update includes quality improvements. The following summary outlines key issues addressed by the KB update after you install it. The bold text within the brackets indicates the item or area of the change. Thi...

June 10, 2025—Hotpatch KB5060525 (OS Build 20348.3745)

June 10, 2025—Hotpatch KB5060525 OS Build 20348.3745 Improvements and fixes This security update includes quality improvements. The following summary outlines key issues addressed by the KB update after you install it. This update makes miscellaneous security improvements to internal OS...

February 11, 2025—Hotpatch KB5052106 (OS Build 20348.3148)

February 11, 2025—Hotpatch KB5052106 OS Build 20348.3148 Improvements and fixes This security update includes quality improvements. Below is a summary of the key issues that this update addresses when you install this KB. If there are new features, it lists them as well. The bold text within the...

December 10, 2024—Hotpatch KB5048800 (OS Build 20348.2908)

December 10, 2024—Hotpatch KB5048800 OS Build 20348.2908 Improvements and fixes This security update includes quality improvements. Below is a summary of the key issues that this update addresses when you install this KB. If there are new features, it lists them as well. The bold text within the...

October 8, 2024—KB5044280 (OS Build 22000.3260)

October 8, 2024—KB5044280 OS Build 22000.3260 Updated 10/08/24---END OF SERVICE NOTICE ---IMPORTANT All editions of Windows 11, version 21H2 are at end of service today, October 8, 2024. After today, these devices will not receive monthly security and non-security updates. These updates contain...

November 14, 2023—Hotpatch KB5032304 (OS Build 20348.2091)

November 14, 2023—Hotpatch KB5032304 OS Build 20348.2091 Improvements and fixes This security update includes quality improvements. When you install this KB: This update makes miscellaneous security improvements to internal OS functionality. No additional issues were documented for this release. ...

May 9, 2023—Hotpatch KB5026456 (OS Build 20348.1724)

May 9, 2023—Hotpatch KB5026456 OS Build 20348.1724 Improvements and fixes This security update includes quality improvements. When you install this KB: This update makes miscellaneous security improvements to internal OS functionality. No additional issues were documented for this release. If you...

February 14, 2023—Hotpatch KB5022921 (OS Build 20348.1544)

February 14, 2023—Hotpatch KB5022921 OS Build 20348.1544 Improvements and fixes This security update includes quality improvements. When you install this KB: This update makes miscellaneous security improvements to internal OS functionality. No additional issues were documented for this release. ...

February 8, 2022—Hotpatch KB5010456 (OS Build 20348.525)

February 8, 2022—Hotpatch KB5010456 OS Build 20348.525 Improvements and fixes This update contains miscellaneous security improvements to internal OS functionality. No additional issues were documented for this release. If you installed earlier updates, only the new fixes contained in this packag...

September 14, 2021 Security Update (KB5005567)

September 14, 2021 Security Update KB5005567 Improvements and fixes This security update includes quality improvements. Key changes include: This update contains miscellaneous security improvements to internal OS functionality. No additional issues were documented for this release. For more...

Microsoft Publisher Remote Code Execution Vulnerability

A remote code execution vulnerability exists when Microsoft Publisher fails to utilize features that lock down the Local Machine zone when instantiating OLE objects. An attacker who successfully exploited the vulnerability could force arbitrary code to be executed in the Local Machine zone. To...