python
diff --git a/‎Misc/NEWS.d/next/Library/2026-07-20-20-30-00.gh-issue-154189.partial-vectorcall-uaf.rst‎
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+Fix use-after-free in :func:`functools.partial` vectorcall path. A reentrant
+``__hash__`` on a keyword argument key could trigger ``__setstate__`` on the
+partial mid-call, freeing the cached args tuple and leaving a dangling pointer.
Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,3 @@`
	`1`	+Fix use-after-free in :func:`functools.partial` vectorcall path. A reentrant
	`2`	+``__hash__`` on a keyword argument key could trigger ``__setstate__`` on the
	`3`	`+partial mid-call, freeing the cached args tuple and leaving a dangling pointer.`