Windows 11 KB5072033 & KB5071417 December 2026 Patch Tuesday Update Released

Microsoft has released the December 2025 Patch Tuesday Update KB5072033 (Build 26200.7462) and 26100.7462) & KB5071417 (Build 22631.6345) for Windows 11 version 24H2/25H2 and 23H2, respectively. Like other Patch Tuesday updates, this one is also compulsory to install as it comes with patches for three zero-days, fifty-seven security vulnerabilities. Besides that, it fixes some issues and introduces a feature.

Here’s the changelog for Windows 11 version 24H2 and 25H2:

• [Copilot] Fixed: This update addresses an issue where Ask Copilot didn’t activate the Click to Do window as expected. The window now appears in the foreground when you share data with Copilot.
• [File Explorer (known issue)] Fixed: This update addresses an issue where File Explorer briefly flashes white when you navigate between pages. This issue might occur after you install KB5070311.
• [Networking] Fixed: This update fixes an issue where external virtual switches lose their physical network adapter (NIC) bindings after a host reboot. When this happens, the switches revert to internal mode, resulting in loss of network connectivity for virtual machines and blocking normal server operations. ​​​​​​​
• [PowerShell 5.1] Invoke-WebRequest now includes a confirmation prompt with a security warning of script execution risk. You can choose to continue or cancel the request. For additional details, see CVE-2025-54100 and KB5074596: PowerShell 5.1: Preventing script execution from web content.

Here’s the changelog for KB5071417 (Build 22631.6345) Windows 11 version 23H2:

• [PowerShell 5.1] Invoke-WebRequest now includes a confirmation prompt with a security warning of script execution risk. You can choose to continue or cancel the request. For additional details, see CVE-2025-54100 and KB5074596: PowerShell 5.1: Preventing script execution from web content.

You can also manually download these updates from the Microsoft Update Catalog (KB5072033 and KB5071417).