diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/Ia32/SmiEntry.nasm b/UefiCpuPkg/PiSmmCpuDxeSmm/Ia32/SmiEntry.nasm
index 87a31b71a9..d84e81505e 100644
--- a/UefiCpuPkg/PiSmmCpuDxeSmm/Ia32/SmiEntry.nasm
+++ b/UefiCpuPkg/PiSmmCpuDxeSmm/Ia32/SmiEntry.nasm
@@ -202,11 +202,21 @@ ASM_PFX(mPatchCetSupported):
     push    edx
     push    eax
 
+    mov     ecx, MSR_IA32_U_CET
+    rdmsr
+    push    edx
+    push    eax
+
     mov     ecx, MSR_IA32_PL0_SSP
     rdmsr
     push    edx
     push    eax
 
+    mov     ecx, MSR_IA32_U_CET
+    xor     eax, eax
+    xor     edx, edx
+    wrmsr
+
     mov     ecx, MSR_IA32_S_CET
     mov     eax, MSR_IA32_CET_SH_STK_EN
     xor     edx, edx
@@ -276,6 +286,11 @@ CetDone:
     pop     edx
     wrmsr
 
+    mov     ecx, MSR_IA32_U_CET
+    pop     eax
+    pop     edx
+    wrmsr
+
     mov     ecx, MSR_IA32_S_CET
     pop     eax
     pop     edx
diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/X64/SmiEntry.nasm b/UefiCpuPkg/PiSmmCpuDxeSmm/X64/SmiEntry.nasm
index e7c51e6950..644366ba19 100644
--- a/UefiCpuPkg/PiSmmCpuDxeSmm/X64/SmiEntry.nasm
+++ b/UefiCpuPkg/PiSmmCpuDxeSmm/X64/SmiEntry.nasm
@@ -217,6 +217,11 @@ ASM_PFX(mPatchCetSupported):
     push    rdx
     push    rax
 
+    mov     ecx, MSR_IA32_U_CET
+    rdmsr
+    push    rdx
+    push    rax
+
     mov     ecx, MSR_IA32_PL0_SSP
     rdmsr
     push    rdx
@@ -227,6 +232,11 @@ ASM_PFX(mPatchCetSupported):
     push    rdx
     push    rax
 
+    mov     ecx, MSR_IA32_U_CET
+    xor     eax, eax
+    xor     edx, edx
+    wrmsr
+
     mov     ecx, MSR_IA32_S_CET
     mov     eax, MSR_IA32_CET_SH_STK_EN
     xor     edx, edx
@@ -325,6 +335,11 @@ mCetSupportedAbsAddr:
     pop     rdx
     wrmsr
 
+    mov     ecx, MSR_IA32_U_CET
+    pop     rax
+    pop     rdx
+    wrmsr
+
     mov     ecx, MSR_IA32_S_CET
     pop     rax
     pop     rdx