diff -Nuarp opencv-3.4.20.orig/cmake/OpenCVDetectCXXCompiler.cmake opencv-3.4.20/cmake/OpenCVDetectCXXCompiler.cmake
--- opencv-3.4.20.orig/cmake/OpenCVDetectCXXCompiler.cmake	2023-06-27 19:29:13.000000000 +0800
+++ opencv-3.4.20/cmake/OpenCVDetectCXXCompiler.cmake	2024-06-10 14:47:05.286016469 +0800
@@ -169,7 +169,7 @@ elseif(MSVC)
     set(OpenCV_RUNTIME vc15)
   elseif(MSVC_VERSION MATCHES "^192[0-9]$")
     set(OpenCV_RUNTIME vc16)
-  elseif(MSVC_VERSION MATCHES "^193[0-9]$")
+  elseif(MSVC_VERSION MATCHES "^19[34][0-9]$")
     set(OpenCV_RUNTIME vc17)
   else()
     message(WARNING "OpenCV does not recognize MSVC_VERSION \"${MSVC_VERSION}\". Cannot set OpenCV_RUNTIME")
diff -Nuarp opencv-3.4.20.orig/cmake/templates/OpenCVConfig.root-WIN32.cmake.in opencv-3.4.20/cmake/templates/OpenCVConfig.root-WIN32.cmake.in
--- opencv-3.4.20.orig/cmake/templates/OpenCVConfig.root-WIN32.cmake.in	2023-06-27 19:29:13.000000000 +0800
+++ opencv-3.4.20/cmake/templates/OpenCVConfig.root-WIN32.cmake.in	2024-06-10 14:46:17.345712729 +0800
@@ -137,7 +137,7 @@ elseif(MSVC)
         set(OpenCV_RUNTIME vc14) # selecting previous compatible runtime version
       endif()
     endif()
-  elseif(MSVC_VERSION MATCHES "^193[0-9]$")
+  elseif(MSVC_VERSION MATCHES "^19[34][0-9]$")
     set(OpenCV_RUNTIME vc17)
     check_one_config(has_VS2022)
     if(NOT has_VS2022)