diff --git a/BaseTools/Conf/tools_def.template b/BaseTools/Conf/tools_def.template
index 018c39f351..1d38c9c30e 100755
--- a/BaseTools/Conf/tools_def.template
+++ b/BaseTools/Conf/tools_def.template
@@ -706,9 +706,11 @@ NOOPT_VS2019_X64_DLINK_FLAGS    = /NOLOGO /NODEFAULTLIB /IGNORE:4001 /IGNORE:428
 *_VS2019_ARM_ASLPP_PATH           = DEF(VS2019_BIN_ARM)\cl.exe
 *_VS2019_ARM_ASLDLINK_PATH        = DEF(VS2019_BIN_ARM)\link.exe
 
-  DEBUG_VS2019_ARM_CC_FLAGS       = /nologo /c /WX /GS /W4 /Gs32768 /D UNICODE /O1b2 /GL /FIAutoGen.h /EHs-c- /GR- /GF /Gy /Zi /Gw /Oi-
-RELEASE_VS2019_ARM_CC_FLAGS       = /nologo /c /WX /GS /W4 /Gs32768 /D UNICODE /O1b2 /GL /FIAutoGen.h /EHs-c- /GR- /GF /Gw /Oi-
-NOOPT_VS2019_ARM_CC_FLAGS         = /nologo /c /WX /GS /W4 /Gs32768 /D UNICODE /FIAutoGen.h /EHs-c- /GR- /GF /Gy /Zi /Od /Oi-
+# MU_CHANGE BEGIN: Temporarily Disable ARM/AARCH64 Stack Cookies
+  DEBUG_VS2019_ARM_CC_FLAGS       = /nologo /c /WX /GS- /W4 /Gs32768 /D UNICODE /O1b2 /GL /FIAutoGen.h /EHs-c- /GR- /GF /Gy /Zi /Gw /Oi-
+RELEASE_VS2019_ARM_CC_FLAGS       = /nologo /c /WX /GS- /W4 /Gs32768 /D UNICODE /O1b2 /GL /FIAutoGen.h /EHs-c- /GR- /GF /Gw /Oi-
+NOOPT_VS2019_ARM_CC_FLAGS         = /nologo /c /WX /GS- /W4 /Gs32768 /D UNICODE /FIAutoGen.h /EHs-c- /GR- /GF /Gy /Zi /Od /Oi-
+# MU_CHANGE END: Temporarily Disable ARM/AARCH64 Stack Cookies
 
   DEBUG_VS2019_ARM_ASM_FLAGS      = /nologo /g
 RELEASE_VS2019_ARM_ASM_FLAGS      = /nologo
@@ -732,9 +734,11 @@ NOOPT_VS2019_ARM_DLINK_FLAGS      = /NOLOGO /NODEFAULTLIB /IGNORE:4001 /OPT:REF
 *_VS2019_AARCH64_ASLPP_PATH        = DEF(VS2019_BIN_AARCH64)\cl.exe
 *_VS2019_AARCH64_ASLDLINK_PATH     = DEF(VS2019_BIN_AARCH64)\link.exe
 
-  DEBUG_VS2019_AARCH64_CC_FLAGS    = /nologo /c /WX /GS /W4 /Gs32768 /D UNICODE /O1b2 /GL /FIAutoGen.h /EHs-c- /GR- /GF /Gy /Zi /Gw /Oi-
-RELEASE_VS2019_AARCH64_CC_FLAGS    = /nologo /c /WX /GS /W4 /Gs32768 /D UNICODE /O1b2 /GL /FIAutoGen.h /EHs-c- /GR- /GF /Gw /Oi-
-NOOPT_VS2019_AARCH64_CC_FLAGS      = /nologo /c /WX /GS /W4 /Gs32768 /D UNICODE /FIAutoGen.h /EHs-c- /GR- /GF /Gy /Zi /Od /Oi-
+# MU_CHANGE BEGIN: Temporarily Disable ARM/AARCH64 Stack Cookies
+  DEBUG_VS2019_AARCH64_CC_FLAGS    = /nologo /c /WX /GS- /W4 /Gs32768 /D UNICODE /O1b2 /GL /FIAutoGen.h /EHs-c- /GR- /GF /Gy /Zi /Gw /Oi-
+RELEASE_VS2019_AARCH64_CC_FLAGS    = /nologo /c /WX /GS- /W4 /Gs32768 /D UNICODE /O1b2 /GL /FIAutoGen.h /EHs-c- /GR- /GF /Gw /Oi-
+NOOPT_VS2019_AARCH64_CC_FLAGS      = /nologo /c /WX /GS- /W4 /Gs32768 /D UNICODE /FIAutoGen.h /EHs-c- /GR- /GF /Gy /Zi /Od /Oi-
+# MU_CHANGE END: Temporarily Disable ARM/AARCH64 Stack Cookies
 
   DEBUG_VS2019_AARCH64_ASM_FLAGS   = /nologo /g
 RELEASE_VS2019_AARCH64_ASM_FLAGS   = /nologo
@@ -852,9 +856,11 @@ NOOPT_VS2022_X64_DLINK_FLAGS    = /NOLOGO /NODEFAULTLIB /IGNORE:4001 /IGNORE:428
 *_VS2022_ARM_ASLDLINK_PATH        = DEF(VS2022_BIN_ARM)\link.exe
 
       *_VS2022_ARM_MAKE_FLAGS     = /nologo
-  DEBUG_VS2022_ARM_CC_FLAGS       = /nologo /c /WX /GS /W4 /Gs32768 /D UNICODE /O1b2 /GL /FIAutoGen.h /EHs-c- /GR- /GF /Gy /Zi /Gw /Oi-
-RELEASE_VS2022_ARM_CC_FLAGS       = /nologo /c /WX /GS /W4 /Gs32768 /D UNICODE /O1b2 /GL /FIAutoGen.h /EHs-c- /GR- /GF /Gw /Oi-
-NOOPT_VS2022_ARM_CC_FLAGS         = /nologo /c /WX /GS /W4 /Gs32768 /D UNICODE /FIAutoGen.h /EHs-c- /GR- /GF /Gy /Zi /Od /Oi-
+# MU_CHANGE BEGIN: Temporarily Disable ARM/AARCH64 Stack Cookies
+  DEBUG_VS2022_ARM_CC_FLAGS       = /nologo /c /WX /GS- /W4 /Gs32768 /D UNICODE /O1b2 /GL /FIAutoGen.h /EHs-c- /GR- /GF /Gy /Zi /Gw /Oi-
+RELEASE_VS2022_ARM_CC_FLAGS       = /nologo /c /WX /GS- /W4 /Gs32768 /D UNICODE /O1b2 /GL /FIAutoGen.h /EHs-c- /GR- /GF /Gw /Oi-
+NOOPT_VS2022_ARM_CC_FLAGS         = /nologo /c /WX /GS- /W4 /Gs32768 /D UNICODE /FIAutoGen.h /EHs-c- /GR- /GF /Gy /Zi /Od /Oi-
+# MU_CHANGE END: Temporarily Disable ARM/AARCH64 Stack Cookies
 
   DEBUG_VS2022_ARM_ASM_FLAGS      = /nologo /g
 RELEASE_VS2022_ARM_ASM_FLAGS      = /nologo
@@ -879,9 +885,11 @@ NOOPT_VS2022_ARM_DLINK_FLAGS      = /NOLOGO /NODEFAULTLIB /IGNORE:4001 /OPT:REF
 *_VS2022_AARCH64_ASLDLINK_PATH     = DEF(VS2022_BIN_AARCH64)\link.exe
 
       *_VS2022_AARCH64_MAKE_FLAGS  = /nologo
-  DEBUG_VS2022_AARCH64_CC_FLAGS    = /nologo /c /WX /GS /W4 /Gs32768 /D UNICODE /O1b2 /GL /FIAutoGen.h /EHs-c- /GR- /GF /Gy /Zi /Gw /Oi-
-RELEASE_VS2022_AARCH64_CC_FLAGS    = /nologo /c /WX /GS /W4 /Gs32768 /D UNICODE /O1b2 /GL /FIAutoGen.h /EHs-c- /GR- /GF /Gw /Oi-
-NOOPT_VS2022_AARCH64_CC_FLAGS      = /nologo /c /WX /GS /W4 /Gs32768 /D UNICODE /FIAutoGen.h /EHs-c- /GR- /GF /Gy /Zi /Od /Oi-
+# MU_CHANGE BEGIN: Temporarily Disable ARM/AARCH64 Stack Cookies
+  DEBUG_VS2022_AARCH64_CC_FLAGS    = /nologo /c /WX /GS- /W4 /Gs32768 /D UNICODE /O1b2 /GL /FIAutoGen.h /EHs-c- /GR- /GF /Gy /Zi /Gw /Oi-
+RELEASE_VS2022_AARCH64_CC_FLAGS    = /nologo /c /WX /GS- /W4 /Gs32768 /D UNICODE /O1b2 /GL /FIAutoGen.h /EHs-c- /GR- /GF /Gw /Oi-
+NOOPT_VS2022_AARCH64_CC_FLAGS      = /nologo /c /WX /GS- /W4 /Gs32768 /D UNICODE /FIAutoGen.h /EHs-c- /GR- /GF /Gy /Zi /Od /Oi-
+# MU_CHANGE END: Temporarily Disable ARM/AARCH64 Stack Cookies
 
   DEBUG_VS2022_AARCH64_ASM_FLAGS   = /nologo /g
 RELEASE_VS2022_AARCH64_ASM_FLAGS   = /nologo