diff --git a/Misc/NEWS b/Misc/NEWS
index bac8d00..d354645 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -24,6 +24,9 @@
 Extensions
 ----------
 
+- Issue #9324: Add parameter validation to signal.signal on Windows in order
+  to prevent crashes.
+
 - Issue #9526: Remove some outdated (int) casts that were preventing
   the array module from working correctly with arrays of more than
   2**31 elements.