From 6fd5a4a41fd9ce2f842f43dc3a69bda264c29fa6 Mon Sep 17 00:00:00 2001
From: rbalsleyMSFT <53497092+rbalsleyMSFT@users.noreply.github.com>
Date: Fri, 12 Apr 2024 10:48:53 -0700
Subject: [PATCH] Updated UpdateLatestCU to use MU Catalog

---
 FFUDevelopment/BuildFFUVM.ps1 | 17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)

diff --git a/FFUDevelopment/BuildFFUVM.ps1 b/FFUDevelopment/BuildFFUVM.ps1
index ea1d339..2f7f70f 100644
--- a/FFUDevelopment/BuildFFUVM.ps1
+++ b/FFUDevelopment/BuildFFUVM.ps1
@@ -2052,25 +2052,26 @@ try {
     Add-BootFiles -OsPartitionDriveLetter $osPartitionDriveLetter -SystemPartitionDriveLetter $systemPartitionDriveLetter[1]
 
     #Update latest Cumulative Update
-    If ($UpdateLatestCU) {
-        WriteLog "`$UpdateLatestCU is set to true, checking for latest CU"
-        $LatestKB = Get-LatestWindowsKB -WindowsRelease $WindowsRelease
-        WriteLog "Latest KB for Windows $WindowsRelease found: $LatestKB"
-        $Name = $LatestKB + " " + $WindowsVersion
+    #Changed to use MU Catalog instead of using Get-LatestWindowsKB
+    #The Windows release info page is updated later than the MU Catalog
+    if ($UpdateLatestCU) {
+        Writelog "`$UpdateLatestCU is set to true, checking for latest CU"
+        $Name = "Cumulative update for Windows $WindowsRelease Version $WindowsVersion for $WindowsArch"
         #Check if $KBPath exists, if not, create it
         If (-not (Test-Path -Path $KBPath)) {
             WriteLog "Creating $KBPath"
             New-Item -Path $KBPath -ItemType Directory -Force | Out-Null
         }
-        WriteLog "Searching for $Name from Microsoft Update Catalog and saving to $KBPath"
+        WriteLog "Searching for $name from Microsoft Update Catalog and saving to $KBPath"
         $KBFilePath = Save-KB -Name $Name -Path $KBPath
-        WriteLog "$LatestKB saved to $KBPath\$KBFilePath"  
+        WriteLog "Latest CU saved to $KBPath\$KBFilePath"
     }
 
+
     #Update Latest .NET Framework
     if ($UpdateLatestNet) {
         Writelog "`$UpdateLatestNet is set to true, checking for latest .NET Framework"
-        $Name = "Cumulative update for .net framework windows $WindowsRelease $WindowsVersion $Architecture"
+        $Name = "Cumulative update for .net framework windows $WindowsRelease $WindowsVersion $WindowsArch"
         #Check if $KBPath exists, if not, create it
         If (-not (Test-Path -Path $KBPath)) {
             WriteLog "Creating $KBPath"