diff --git a/MdeModulePkg/MdeModulePkg.dec b/MdeModulePkg/MdeModulePkg.dec
index a3c0633ee1..9248d10da8 100644
--- a/MdeModulePkg/MdeModulePkg.dec
+++ b/MdeModulePkg/MdeModulePkg.dec
@@ -867,6 +867,19 @@
# @ValidList 0x80000006 | 0x03058002
gEfiMdeModulePkgTokenSpaceGuid.PcdErrorCodeSetVariable|0x03058002|UINT32|0x30001040
+ ## Mask to control the NULL address detection in code for different phases.
+ # If enabled, accessing NULL address in UEFI or SMM code can be caught.
+ # BIT0 - Enable NULL pointer detection for UEFI.
+ # BIT1 - Enable NULL pointer detection for SMM.
+ # BIT2..6 - Reserved for future uses.
+ # BIT7 - Disable NULL pointer detection just after EndOfDxe.
+ # This is a workaround for those unsolvable NULL access issues in
+ # OptionROM, boot loader, etc. It can also help to avoid unnecessary
+ # exception caused by legacy memory (0-4095) access after EndOfDxe,
+ # such as Windows 7 boot on Qemu.
+ # @Prompt Enable NULL address detection.
+ gEfiMdeModulePkgTokenSpaceGuid.PcdNullPointerDetectionPropertyMask|0x0|UINT8|0x30001050
+
[PcdsFixedAtBuild, PcdsPatchableInModule]
## Dynamic type PCD can be registered callback function for Pcd setting action.
# PcdMaxPeiPcdCallBackNumberPerPcdEntry indicates the maximum number of callback function
diff --git a/MdeModulePkg/MdeModulePkg.uni b/MdeModulePkg/MdeModulePkg.uni
index d6015de75f..f8b31694ba 100644
--- a/MdeModulePkg/MdeModulePkg.uni
+++ b/MdeModulePkg/MdeModulePkg.uni
@@ -1127,3 +1127,16 @@
"enabled on AMD processors supporting the Secure Encrypted Virtualization (SEV) feature.\n"
"This mask should be applied when creating 1:1 virtual to physical mapping tables."
+#string STR_gEfiMdeModulePkgTokenSpaceGuid_PcdNullPointerDetectionPropertyMask_PROMPT #language en-US "Enable NULL pointer detection"
+
+#string STR_gEfiMdeModulePkgTokenSpaceGuid_PcdNullPointerDetectionPropertyMask_HELP #language en-US "Mask to control the NULL address detection in code for different phases.\n"
+ " If enabled, accessing NULL address in UEFI or SMM code can be caught.\n\n"
+ " BIT0 - Enable NULL pointer detection for UEFI.\n"
+ " BIT1 - Enable NULL pointer detection for SMM.\n"
+ " BIT2..6 - Reserved for future uses.\n"
+ " BIT7 - Disable NULL pointer detection just after EndOfDxe."
+ " This is a workaround for those unsolvable NULL access issues in"
+ " OptionROM, boot loader, etc. It can also help to avoid unnecessary"
+ " exception caused by legacy memory (0-4095) access after EndOfDxe,"
+ " such as Windows 7 boot on Qemu.\n"
+