python
diff --git a/Misc/NEWS.d/next/Core_and_Builtins/2026-06-17-16-46-07.gh-issue-151126.vhTL0T.rst b/Misc/NEWS.d/next/Core_and_Builtins/2026-06-17-16-46-07.gh-issue-151126.vhTL0T.rst
@@ -0,0 +1,2 @@
+Avoid possible crash in ``_winapi.c`` where a device has no memory left. Now
+it properly raises a :exc:`MemoryError`. Patch by Ivy Xu.
diff --git a/Modules/_winapi.c b/Modules/_winapi.c
@@ -1671,6 +1671,9 @@ _winapi_GetShortPathName_impl(PyObject *module, LPCWSTR path)
             }
             PyMem_Free((void *)buffer);
         }
+        else {
+            PyErr_NoMemory();
+        }
     } else {
         PyErr_SetFromWindowsErr(0);
     }
@@ -2374,6 +2377,7 @@ _winapi_BatchedWaitForMultipleObjects_impl(PyObject *module,
     while (i < nhandles) {
         BatchedWaitData *data = (BatchedWaitData*)PyMem_Malloc(sizeof(BatchedWaitData));
         if (!data) {
+            PyErr_NoMemory();
             goto error;
         }
         thread_data[thread_count++] = data;
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,2 @@
		Avoid possible crash in ``_winapi.c`` where a device has no memory left. Now
		it properly raises a :exc:`MemoryError`. Patch by Ivy Xu.