diff --git a/test/shermes/windows-cc-path-separator.js b/test/shermes/windows-cc-path-separator.js
new file mode 100644
index 00000000000..36ddb7dca25
--- /dev/null
+++ b/test/shermes/windows-cc-path-separator.js
@@ -0,0 +1,18 @@
+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+// REQUIRES: windows
+// RUN: (%shermes -v -Wc,--shermes-invalid-cc-option -o %t.exe %s || true) 2>&1 | %FileCheck %s
+
+// CHECK: --shermes-invalid-cc-option
+// CHECK-NOT: {{(^| )-I[A-Za-z]( |$)}}
+// CHECK-NOT: {{(^| )-L[A-Za-z]( |$)}}
+// CHECK-NOT: {{(^| )-Wl,-rpath [A-Za-z]( |$)}}
+// CHECK-NOT: {{[A-Za-z]:[^ ]*:[A-Za-z]:}}
+// CHECK: {{(^| )-o }}
+
+print("ok");
diff --git a/tools/shermes/CMakeLists.txt b/tools/shermes/CMakeLists.txt
index f3ea4410c2b..5232a6d96d9 100644
--- a/tools/shermes/CMakeLists.txt
+++ b/tools/shermes/CMakeLists.txt
@@ -18,10 +18,29 @@ set(HERMES_ENABLE_EH OFF)
 set(SHERMES_CC "${CMAKE_C_COMPILER}" CACHE STRING "C compiler to invoke")
 set(SHERMES_CC_SYSCFLAGS "" CACHE STRING "C compiler system flags")
 set(SHERMES_CC_SYSLDFLAGS "" CACHE STRING "C compiler system linker flags")
-set(SHERMES_CC_INCLUDE_PATH
-  "${PROJECT_BINARY_DIR}/lib/config:${PROJECT_SOURCE_DIR}/include" CACHE STRING
+if(CMAKE_HOST_WIN32)
+  set(SHERMES_CC_PATH_SEPARATOR ";")
+else()
+  set(SHERMES_CC_PATH_SEPARATOR ":")
+endif()
+
+set(SHERMES_CC_INCLUDE_PATH_DEFAULT_ENTRIES
+  "${PROJECT_BINARY_DIR}/lib/config"
+  "${PROJECT_SOURCE_DIR}/include")
+list(JOIN SHERMES_CC_INCLUDE_PATH_DEFAULT_ENTRIES
+  "${SHERMES_CC_PATH_SEPARATOR}"
+  SHERMES_CC_INCLUDE_PATH_DEFAULT)
+
+set(SHERMES_CC_LIB_PATH_DEFAULT_ENTRIES
+  "$<TARGET_FILE_DIR:hermesvm>"
+  "$<TARGET_FILE_DIR:jsi>"
+  "$<TARGET_FILE_DIR:shermes_console>")
+list(JOIN SHERMES_CC_LIB_PATH_DEFAULT_ENTRIES
+  "${SHERMES_CC_PATH_SEPARATOR}"
+  SHERMES_CC_LIB_PATH_DEFAULT)
+set(SHERMES_CC_INCLUDE_PATH "${SHERMES_CC_INCLUDE_PATH_DEFAULT}" CACHE STRING
   "Include path when invoking CC")
-set(SHERMES_CC_LIB_PATH "$<TARGET_FILE_DIR:hermesvm>:$<TARGET_FILE_DIR:jsi>:$<TARGET_FILE_DIR:shermes_console>" CACHE STRING
+set(SHERMES_CC_LIB_PATH "${SHERMES_CC_LIB_PATH_DEFAULT}" CACHE STRING
   "Library path when invoking CC")
 
 if (HERMES_ENABLE_ADDRESS_SANITIZER)
diff --git a/tools/shermes/compile.cpp b/tools/shermes/compile.cpp
index 28079459d70..fb405cb733d 100644
--- a/tools/shermes/compile.cpp
+++ b/tools/shermes/compile.cpp
@@ -147,12 +147,14 @@ void populateCCCfg(CCCfg &cfg) {
   init(cfg.ldlibs, "LDLIBS", "");
 
   llvh::SmallVector<llvh::StringRef, 2> vec{};
-  llvh::StringLiteral(SHERMES_CC_LIB_PATH).split(vec, ':', -1, false);
+  llvh::StringLiteral(SHERMES_CC_LIB_PATH)
+      .split(vec, llvh::sys::EnvPathSeparator, -1, false);
   for (auto sr : vec)
     cfg.hermesLibPath.push_back(sr.str());
 
   vec.clear();
-  llvh::StringLiteral(SHERMES_CC_INCLUDE_PATH).split(vec, ':', -1, false);
+  llvh::StringLiteral(SHERMES_CC_INCLUDE_PATH)
+      .split(vec, llvh::sys::EnvPathSeparator, -1, false);
   for (auto sr : vec)
     cfg.hermesIncludePath.push_back(sr.str());
 }