Hotpatch Updates for Windows Enterprise, Version H Now Generally Available

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Hotpatch updates for Windows 11 Enterprise, version 24H2 for x64 (AMD/Intel) CPU devices are now generally available (GA).

βœ… Hotpatch updates take effect immediately upon installation β†’ Providing rapid protection against vulnerabilities.
βœ… Devices receive the same level of security patching as monthly standard security updates β†’ Released on the second Tuesday of every month.
βœ… Users can continue working without interruptions β†’ Hotpatch updates don’t require a restart for the remainder of the quarter (Note: OS features, firmware, or application updates may still cause restarts).

πŸ”— Read more: Microsoft Hotpatch Updates

You Should Know: How to Manage Hotpatch Updates in Windows

1. Verify Hotpatch Eligibility

Hotpatch is available only for Windows 11 Enterprise (version 24H2). Check your OS version with:

systeminfo | findstr /B /C:"OS Name" /C:"OS Version" 

2. Enable Hotpatch via Group Policy

Configure Hotpatch settings using Group Policy Editor:

1. Open `gpedit.msc`

2. Navigate to:

Computer Configuration β†’ Administrative Templates β†’ Windows Components β†’ Windows Update β†’ Manage updates offered from Windows Update 

3. Enable “Manage preview builds” and set to “Enable hotpatching”.

3. Force Update Check

Manually trigger an update check with:

wuauclt /detectnow 

4. Check Installed Hotpatches

List installed updates (including hotpatches) using:

Get-HotFix | Sort-Object -Property InstalledOn -Descending | Format-Table -AutoSize 

5. Roll Back a Faulty Hotpatch

If a hotpatch causes issues, uninstall it with:

wusa /uninstall /kb:KBXXXXXXX /quiet 

What Undercode Say

Hotpatching is a game-changer for enterprise security, reducing downtime while maintaining protection. However, IT admins must:
– Monitor patch compliance with:

Get-WUInstall -AcceptAll -AutoReboot 

– Audit DNS settings (since Fast Flux attacks exploit weak DNS):

dig +short example.com 
nslookup -type=any example.com 

– Block malicious domains via Windows Firewall:

New-NetFirewallRule -DisplayName "Block Malicious Domain" -Direction Outbound -Action Block -RemoteAddress 1.2.3.4 

For Linux admins, similar security checks include:

sudo apt update && sudo apt upgrade -y  Apply patches 
sudo ss -tulnp | grep ":53"  Check DNS services 
sudo ufw deny out 53/tcp  Block rogue DNS queries 

Expected Output:

A streamlined patching process with minimized reboots, ensuring enterprise security without disrupting workflows.

πŸ”— Reference: Microsoft Hotpatch Documentation

References:

Reported By: Markolauren Hotpatch – Hackers Feeds
Extra Hub: Undercode MoN
Basic Verification: Pass βœ…

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