diff --git a/src/azure-cli/azure/cli/command_modules/acs/_consts.py b/src/azure-cli/azure/cli/command_modules/acs/_consts.py
index 51789cb7b7e..1de735ea005 100644
--- a/src/azure-cli/azure/cli/command_modules/acs/_consts.py
+++ b/src/azure-cli/azure/cli/command_modules/acs/_consts.py
@@ -39,6 +39,7 @@
 CONST_OS_SKU_AZURELINUX = "AzureLinux"
 CONST_OS_SKU_AZURELINUX3 = "AzureLinux3"
 CONST_OS_SKU_UBUNTU2204 = "Ubuntu2204"
+CONST_OS_SKU_UBUNTU2404 = "Ubuntu2404"
 
 # vm set type
 CONST_VIRTUAL_MACHINE_SCALE_SETS = "VirtualMachineScaleSets"
diff --git a/src/azure-cli/azure/cli/command_modules/acs/_help.py b/src/azure-cli/azure/cli/command_modules/acs/_help.py
index 4aa9f5a08a5..86f5aa0a8da 100644
--- a/src/azure-cli/azure/cli/command_modules/acs/_help.py
+++ b/src/azure-cli/azure/cli/command_modules/acs/_help.py
@@ -1691,7 +1691,7 @@
     short-summary: The OS Type. Linux or Windows.
   - name: --os-sku
     type: string
-    short-summary: The OS SKU of the agent node pool. Ubuntu, Ubuntu2204, AzureLinux or AzureLinux3 for Linux. Windows2019 or Windows2022 for Windows.
+    short-summary: The OS SKU of the agent node pool. Ubuntu, Ubuntu2204, Ubuntu2404, AzureLinux or AzureLinux3 for Linux. Windows2019 or Windows2022 for Windows.
   - name: --enable-cluster-autoscaler -e
     type: bool
     short-summary: Enable cluster autoscaler.
diff --git a/src/azure-cli/azure/cli/command_modules/acs/_params.py b/src/azure-cli/azure/cli/command_modules/acs/_params.py
index c5062dd7344..b2040e3b970 100644
--- a/src/azure-cli/azure/cli/command_modules/acs/_params.py
+++ b/src/azure-cli/azure/cli/command_modules/acs/_params.py
@@ -33,7 +33,7 @@
     CONST_OS_DISK_TYPE_EPHEMERAL, CONST_OS_DISK_TYPE_MANAGED,
     CONST_OS_SKU_AZURELINUX, CONST_OS_SKU_AZURELINUX3,
     CONST_OS_SKU_CBLMARINER, CONST_OS_SKU_MARINER,
-    CONST_OS_SKU_UBUNTU, CONST_OS_SKU_UBUNTU2204,
+    CONST_OS_SKU_UBUNTU, CONST_OS_SKU_UBUNTU2204, CONST_OS_SKU_UBUNTU2404,
     CONST_OS_SKU_WINDOWS2019, CONST_OS_SKU_WINDOWS2022,
     CONST_OUTBOUND_TYPE_LOAD_BALANCER, CONST_OUTBOUND_TYPE_MANAGED_NAT_GATEWAY,
     CONST_OUTBOUND_TYPE_USER_ASSIGNED_NAT_GATEWAY,
@@ -169,9 +169,9 @@
 node_eviction_policies = [CONST_SPOT_EVICTION_POLICY_DELETE, CONST_SPOT_EVICTION_POLICY_DEALLOCATE]
 node_os_disk_types = [CONST_OS_DISK_TYPE_MANAGED, CONST_OS_DISK_TYPE_EPHEMERAL]
 node_mode_types = [CONST_NODEPOOL_MODE_SYSTEM, CONST_NODEPOOL_MODE_USER, CONST_NODEPOOL_MODE_GATEWAY]
-node_os_skus_create = [CONST_OS_SKU_AZURELINUX, CONST_OS_SKU_AZURELINUX3, CONST_OS_SKU_UBUNTU, CONST_OS_SKU_CBLMARINER, CONST_OS_SKU_MARINER, CONST_OS_SKU_UBUNTU2204]
+node_os_skus_create = [CONST_OS_SKU_AZURELINUX, CONST_OS_SKU_AZURELINUX3, CONST_OS_SKU_UBUNTU, CONST_OS_SKU_CBLMARINER, CONST_OS_SKU_MARINER, CONST_OS_SKU_UBUNTU2204, CONST_OS_SKU_UBUNTU2404]
 node_os_skus = node_os_skus_create + [CONST_OS_SKU_WINDOWS2019, CONST_OS_SKU_WINDOWS2022]
-node_os_skus_update = [CONST_OS_SKU_AZURELINUX, CONST_OS_SKU_AZURELINUX3, CONST_OS_SKU_UBUNTU, CONST_OS_SKU_UBUNTU2204]
+node_os_skus_update = [CONST_OS_SKU_AZURELINUX, CONST_OS_SKU_AZURELINUX3, CONST_OS_SKU_UBUNTU, CONST_OS_SKU_UBUNTU2204, CONST_OS_SKU_UBUNTU2404]
 scale_down_modes = [CONST_SCALE_DOWN_MODE_DELETE, CONST_SCALE_DOWN_MODE_DEALLOCATE]
 pod_ip_allocation_modes = [CONST_NETWORK_POD_IP_ALLOCATION_MODE_DYNAMIC_INDIVIDUAL, CONST_NETWORK_POD_IP_ALLOCATION_MODE_STATIC_BLOCK]
 
diff --git a/src/azure-cli/azure/cli/command_modules/acs/tests/latest/test_aks_commands.py b/src/azure-cli/azure/cli/command_modules/acs/tests/latest/test_aks_commands.py
index b67aec71c8c..f067979e8ef 100644
--- a/src/azure-cli/azure/cli/command_modules/acs/tests/latest/test_aks_commands.py
+++ b/src/azure-cli/azure/cli/command_modules/acs/tests/latest/test_aks_commands.py
@@ -3331,6 +3331,43 @@ def test_aks_nodepool_add_with_ossku_ubuntu2204(self, resource_group, resource_g
         self.cmd(
             'aks delete -g {resource_group} -n {name} --yes --no-wait', checks=[self.is_empty()])
 
+    @AllowLargeResponse()
+    @AKSCustomResourceGroupPreparer(random_name_length=17, name_prefix='clitest', location='eastus2euap')
+    def test_aks_nodepool_add_with_ossku_ubuntu2404(self, resource_group, resource_group_location):
+        resource_group_location = 'eastus2euap'
+        aks_name = self.create_random_name('cliakstest', 16)
+        node_pool_name = self.create_random_name('c', 6)
+        node_pool_name_second = self.create_random_name('c', 6)
+        self.kwargs.update({
+            'resource_group': resource_group,
+            'name': aks_name,
+            'node_pool_name': node_pool_name,
+            'node_pool_name_second': node_pool_name_second,
+            'ssh_key_value': self.generate_ssh_keys()
+        })
+
+        create_cmd = 'aks create --resource-group={resource_group} --name={name} ' \
+                     '--nodepool-name {node_pool_name} -c 1 ' \
+                     '--ssh-key-value={ssh_key_value}'
+        self.cmd(create_cmd, checks=[
+            self.check('provisioningState', 'Succeeded'),
+        ])
+
+        # nodepool get-upgrades
+        self.cmd('aks nodepool add '
+                 '--resource-group={resource_group} '
+                 '--cluster-name={name} '
+                 '--name={node_pool_name_second} '
+                 '--os-sku Ubuntu2404',
+                 checks=[
+                    self.check('provisioningState', 'Succeeded'),
+                    self.check('osSku', 'Ubuntu2404'),
+                 ])
+
+        # delete
+        self.cmd(
+            'aks delete -g {resource_group} -n {name} --yes --no-wait', checks=[self.is_empty()])
+
     @AllowLargeResponse()
     @AKSCustomResourceGroupPreparer(random_name_length=17, name_prefix='clitest', location='eastus2euap')
     def test_aks_nodepool_add_with_ossku_azurelinux3(self, resource_group, resource_group_location):