diff --git a/internal/new.cc b/internal/new.cc
index 31ec82a08..5ed81d8e1 100644
--- a/internal/new.cc
+++ b/internal/new.cc
@@ -92,7 +92,11 @@ std::pair<void*, size_t> SizeReturningAlignedNew(size_t size,
                                                  std::align_val_t alignment) {
   ABSL_DCHECK(absl::has_single_bit(static_cast<size_t>(alignment)));
 #ifdef CEL_INTERNAL_HAVE_ALIGNED_NEW
+#if defined(_MSC_VER)
+  return std::pair{::operator new(size, alignment), size};
+#else
   return std::pair{::operator new(size, alignment), size};
+#endif
 #else
   return std::pair{AlignedNew(size, alignment), size};
 #endif
diff --git a/parser/BUILD b/parser/BUILD
index 6650d9fe9..2e476d427 100644
--- a/parser/BUILD
+++ b/parser/BUILD
@@ -27,9 +27,11 @@ cc_library(
     hdrs = [
         "parser.h",
     ],
-    copts = [
-        "-fexceptions",
-    ],
+    copts = select({
+        "@rules_cc//cc/compiler:msvc-cl": ["/EHsc"],
+        "@rules_cc//cc/compiler:clang-cl": ["/EHsc"],
+        "//conditions:default": ["-fexceptions"],
+    }),
     defines = [
         "ANTLR4CPP_STATIC",
     ],