diff --git a/Lib/test/support/__init__.py b/Lib/test/support/__init__.py
index 66469d088f339c..307bac65ae50a8 100644
--- a/Lib/test/support/__init__.py
+++ b/Lib/test/support/__init__.py
@@ -3116,6 +3116,10 @@ def get_signal_name(exitcode):
     except KeyError:
         pass
 
+    # Format Windows exit status as hexadecimal
+    if 0xC0000000 <= exitcode:
+        return f"0x{exitcode:X}"
+
     return None
 
 class BrokenIter:
diff --git a/Lib/test/test_support.py b/Lib/test/test_support.py
index be7e307b4f1111..a3129dbcb0a54e 100644
--- a/Lib/test/test_support.py
+++ b/Lib/test/test_support.py
@@ -788,6 +788,7 @@ def test_get_signal_name(self):
             (128 + int(signal.SIGABRT), 'SIGABRT'),
             (3221225477, "STATUS_ACCESS_VIOLATION"),
             (0xC00000FD, "STATUS_STACK_OVERFLOW"),
+            (0xC0000906, "0xC0000906"),
         ):
             self.assertEqual(support.get_signal_name(exitcode), expected,
                              exitcode)