diff --git a/parts/linux/cloud-init/artifacts/components.json b/parts/linux/cloud-init/artifacts/components.json
index ed0f8134e2b..557c58ce529 100644
--- a/parts/linux/cloud-init/artifacts/components.json
+++ b/parts/linux/cloud-init/artifacts/components.json
@@ -42,25 +42,25 @@
       "downloadURL": "mcr.microsoft.com/containernetworking/azure-cni:*",
       "amd64OnlyVersions": [],
       "multiArchVersions": [
-        "v1.5.28",
         "v1.5.32",
-        "v1.6.0"
+        "v1.6.0",
+        "v1.6.3"
       ],
       "prefetchOptimizations": [
         {
-          "version": "v1.5.28",
+          "version": "v1.5.32",
           "binaries": [
             "dropgz"
           ]
         },
         {
-          "version": "v1.5.32",
+          "version": "v1.6.0",
           "binaries": [
             "dropgz"
           ]
         },
         {
-          "version": "v1.6.0",
+          "version": "v1.6.3",
           "binaries": [
             "dropgz"
           ]
@@ -72,25 +72,25 @@
       "amd64OnlyVersions": [],
       "multiArchVersions": [
         "v1.4.52",
-        "v1.5.26",
         "v1.5.32",
-        "v1.6.0"
+        "v1.6.0",
+        "v1.6.3"
       ],
       "prefetchOptimizations": [
         {
-          "version": "v1.5.26",
+          "version": "v1.5.32",
           "binaries": [
             "usr/local/bin/azure-cns"
           ]
         },
         {
-          "version": "v1.5.32",
+          "version": "v1.6.0",
           "binaries": [
             "usr/local/bin/azure-cns"
           ]
         },
         {
-          "version": "v1.6.0",
+          "version": "v1.6.3",
           "binaries": [
             "usr/local/bin/azure-cns"
           ]
@@ -481,8 +481,8 @@
           "current": {
             "versions": [
               "1.4.54",
-              "1.5.28",
-              "1.5.32"
+              "1.5.32",
+              "1.6.3"
             ],
             "downloadURL": "https://acs-mirror.azureedge.net/azure-cni/v${version}/binaries/azure-vnet-cni-linux-${CPU_ARCH}-v${version}.tgz"
           }
diff --git a/spec/parts/linux/cloud-init/artifacts/cse_install_spec.sh b/spec/parts/linux/cloud-init/artifacts/cse_install_spec.sh
index d1038d9afe7..77eac8a5ff0 100644
--- a/spec/parts/linux/cloud-init/artifacts/cse_install_spec.sh
+++ b/spec/parts/linux/cloud-init/artifacts/cse_install_spec.sh
@@ -40,7 +40,7 @@ Describe 'cse_install.sh'
         It 'returns downloadURIs.default.current.versions of package azure-cni for UBUNTU 20.04'
             package=$(readPackage "azure-cni")
             When call returnPackageVersions "$package" "UBUNTU" "20.04"
-            The variable PACKAGE_VERSIONS[@] should equal "1.4.54 1.5.28 1.5.32"
+            The variable PACKAGE_VERSIONS[@] should equal "1.4.54 1.5.32 1.6.3"
         End
 
         It 'returns downloadURIs.default.current.versions of package oras for UBUNTU 20.04'
@@ -70,7 +70,7 @@ Describe 'cse_install.sh'
         It 'returns downloadURIs.default.current.versions of package azure-cni for MARINER'
             package=$(readPackage "azure-cni")
             When call returnPackageVersions "$package" "MARINER" "some_mariner_version"
-            The variable PACKAGE_VERSIONS[@] should equal "1.4.54 1.5.28 1.5.32"
+            The variable PACKAGE_VERSIONS[@] should equal "1.4.54 1.5.32 1.6.3"
         End
 
         It 'returns downloadURIs.default.current.versions of package containerd for MARINERKATA'
diff --git a/vhdbuilder/packer/generate-windows-vhd-configuration.ps1 b/vhdbuilder/packer/generate-windows-vhd-configuration.ps1
index 66efc8c88cf..426edeb767a 100644
--- a/vhdbuilder/packer/generate-windows-vhd-configuration.ps1
+++ b/vhdbuilder/packer/generate-windows-vhd-configuration.ps1
@@ -125,14 +125,14 @@ $global:imagesToPull += @(
     "mcr.microsoft.com/azuremonitor/containerinsights/ciprod:win-3.1.23",
     # CNS (Container Networking Service) Owner: jaer-tsun (Jaeryn)
     "mcr.microsoft.com/containernetworking/azure-cns:v1.4.52",
-    "mcr.microsoft.com/containernetworking/azure-cns:v1.5.26",
     "mcr.microsoft.com/containernetworking/azure-cns:v1.5.32",
     "mcr.microsoft.com/containernetworking/azure-cns:v1.6.0",
+    "mcr.microsoft.com/containernetworking/azure-cns:v1.6.3",
     # CNI installer for azure-vnet. Owner: evanbaker
     "mcr.microsoft.com/containernetworking/cni-dropgz:v0.1.4"
     "mcr.microsoft.com/containernetworking/cni-dropgz:v0.2.0"
-    "mcr.microsoft.com/containernetworking/azure-cni:v1.5.26"
     "mcr.microsoft.com/containernetworking/azure-cni:v1.5.32"
+    "mcr.microsoft.com/containernetworking/azure-cni:v1.6.3"
 )
 
 $global:map = @{
@@ -193,8 +193,8 @@ $global:map = @{
     );
     "c:\akse-cache\win-vnet-cni\" = @(
         # Azure CNI v1 (legacy)
-        "https://acs-mirror.azureedge.net/azure-cni/v1.5.28/binaries/azure-vnet-cni-windows-amd64-v1.5.28.zip",
         "https://acs-mirror.azureedge.net/azure-cni/v1.5.32/binaries/azure-vnet-cni-windows-amd64-v1.5.32.zip",
+        "https://acs-mirror.azureedge.net/azure-cni/v1.6.3/binaries/azure-vnet-cni-windows-amd64-v1.6.3.zip",
         # Azure CNI v2 (pod subnet)
         "https://acs-mirror.azureedge.net/azure-cni/v1.4.54/binaries/azure-vnet-cni-swift-windows-amd64-v1.4.54.zip",
         # Azure CNI for Overlay