diff --git a/ports/tbb/CMakeLists.txt b/ports/tbb/CMakeLists.txt
index ae53c40f2a6251..a485d119d53dfb 100644
--- a/ports/tbb/CMakeLists.txt
+++ b/ports/tbb/CMakeLists.txt
@@ -1,9 +1,13 @@
 project(tbb CXX)
 
+option(DISABLE_EXCEPTIONS "Set exceptions=0 for make to turn off exception support in TBB" OFF)
 file(GLOB SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/*)
 file(COPY ${SOURCES} DESTINATION ${CMAKE_CURRENT_BINARY_DIR}/src)
 
 include(${CMAKE_CURRENT_BINARY_DIR}/src/cmake/TBBBuild.cmake REQUIRED)
+if(DISABLE_EXCEPTIONS)
+    set(DISABLE_EXCEPTIONS_ARG exceptions=0)
+endif()
 if(NOT BUILD_SHARED_LIBS)
     set(TBB_STATIC_INCLUDE extra_inc=big_iron.inc)
 endif()
@@ -26,7 +30,7 @@ if(CMAKE_SYSTEM_NAME STREQUAL "Linux")
   endif()
 endif()
 
-tbb_build(TBB_ROOT ${CMAKE_CURRENT_BINARY_DIR}/src MAKE_ARGS ${arch} ${CPLUS} ${CONLY} ${TBB_STATIC_INCLUDE} ${FORWARD_SDK_ROOT})
+tbb_build(TBB_ROOT ${CMAKE_CURRENT_BINARY_DIR}/src MAKE_ARGS ${arch} ${CPLUS} ${CONLY} ${DISABLE_EXCEPTIONS_ARG} ${TBB_STATIC_INCLUDE} ${FORWARD_SDK_ROOT})
 
 set(SUBDIR ${CMAKE_CURRENT_BINARY_DIR}/tbb_cmake_build/tbb_cmake_build_subdir)
 if(CMAKE_BUILD_TYPE STREQUAL "Release")
diff --git a/ports/tbb/CONTROL b/ports/tbb/CONTROL
index 611e074b7a15b4..ea2bdc140dea17 100644
--- a/ports/tbb/CONTROL
+++ b/ports/tbb/CONTROL
@@ -1,6 +1,6 @@
 Source: tbb
 Version: 2020_U3
-Port-Version: 3
+Port-Version: 4
 Homepage: https://github.com/01org/tbb
 Description: Intel's Threading Building Blocks.
 Supports: !(uwp|arm|arm64) | linux | osx
diff --git a/ports/tbb/portfile.cmake b/ports/tbb/portfile.cmake
index 0bea15bf0bf22f..ada16a7d7138ad 100644
--- a/ports/tbb/portfile.cmake
+++ b/ports/tbb/portfile.cmake
@@ -14,11 +14,22 @@ vcpkg_from_github(
 )
 
 file(COPY ${CMAKE_CURRENT_LIST_DIR}/CMakeLists.txt DESTINATION ${SOURCE_PATH})
+if (TBB_DISABLE_EXCEPTIONS)
+    message(STATUS "Building TBB with exception-handling constructs disabled because TBB_DISABLE_EXCEPTIONS is set to ON.")
+else()
+    message(STATUS "TBB uses exception-handling constructs by default (if supported by the compiler). This use can be disabled with 'SET(TBB_DISABLE_EXCEPTIONS ON)' in your custom triplet.")
+endif()
 
 if (NOT VCPKG_TARGET_IS_WINDOWS)
+    if (TBB_DISABLE_EXCEPTIONS)
+        set(DISABLE_EXCEPTIONS ON)
+    else()
+        set(DISABLE_EXCEPTIONS OFF)
+    endif()
     vcpkg_configure_cmake(
         SOURCE_PATH ${SOURCE_PATH}
         PREFER_NINJA
+        OPTIONS -DDISABLE_EXCEPTIONS=${DISABLE_EXCEPTIONS}
     )
 
     vcpkg_install_cmake()
@@ -52,19 +63,21 @@ else()
             configure_file(${CONFIGURE_FILE_NAME} ${CONFIGURE_BAK_FILE_NAME} COPYONLY)
         endif()
         configure_file(${CONFIGURE_BAK_FILE_NAME} ${CONFIGURE_FILE_NAME} COPYONLY)
+        file(READ ${CONFIGURE_FILE_NAME} SLN_CONFIGURE)
         if (VCPKG_LIBRARY_LINKAGE STREQUAL static)
-            file(READ ${CONFIGURE_FILE_NAME} SLN_CONFIGURE)
             string(REPLACE "<ConfigurationType>DynamicLibrary<\/ConfigurationType>"
                         "<ConfigurationType>StaticLibrary<\/ConfigurationType>" SLN_CONFIGURE "${SLN_CONFIGURE}")
             string(REPLACE "\/D_CRT_SECURE_NO_DEPRECATE"
                         "\/D_CRT_SECURE_NO_DEPRECATE \/DIN_CILK_STATIC" SLN_CONFIGURE "${SLN_CONFIGURE}")
-            file(WRITE ${CONFIGURE_FILE_NAME} "${SLN_CONFIGURE}")
         else()
-            file(READ ${CONFIGURE_FILE_NAME} SLN_CONFIGURE)
             string(REPLACE "\/D_CRT_SECURE_NO_DEPRECATE"
                         "\/D_CRT_SECURE_NO_DEPRECATE \/DIN_CILK_RUNTIME" SLN_CONFIGURE "${SLN_CONFIGURE}")
-            file(WRITE ${CONFIGURE_FILE_NAME} "${SLN_CONFIGURE}")
         endif()
+        if (TBB_DISABLE_EXCEPTIONS)
+            string(REPLACE "<PreprocessorDefinitions>%(PreprocessorDefinitions)<\/PreprocessorDefinitions>"
+                        "<PreprocessorDefinitions>TBB_USE_EXCEPTIONS=0;%(PreprocessorDefinitions)<\/PreprocessorDefinitions>" SLN_CONFIGURE "${SLN_CONFIGURE}")
+        endif()
+        file(WRITE ${CONFIGURE_FILE_NAME} "${SLN_CONFIGURE}")
     endmacro()
 
     CONFIGURE_PROJ_FILE(${SOURCE_PATH}/build/vs2013/tbb.vcxproj)
diff --git a/versions/baseline.json b/versions/baseline.json
index 3c3d78d32aa298..198aff1dfd40d9 100644
--- a/versions/baseline.json
+++ b/versions/baseline.json
@@ -5870,7 +5870,7 @@
     },
     "tbb": {
       "baseline": "2020_U3",
-      "port-version": 3
+      "port-version": 4
     },
     "tcl": {
       "baseline": "core-9-0-a1",
diff --git a/versions/t-/tbb.json b/versions/t-/tbb.json
index 366fa1e7e58db4..2655af3fd20897 100644
--- a/versions/t-/tbb.json
+++ b/versions/t-/tbb.json
@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "4e6228578b0ca40358f584aa1ea8b4a9ac2d4ed9",
+      "version-string": "2020_U3",
+      "port-version": 4
+    },
     {
       "git-tree": "eb2f60732524f07ea5effc9aeda3472fd0bbe243",
       "version-string": "2020_U3",