diff --git a/dlls/api-ms-win-crt-private-l1-1-0/api-ms-win-crt-private-l1-1-0.spec b/dlls/api-ms-win-crt-private-l1-1-0/api-ms-win-crt-private-l1-1-0.spec
index 136358a174c..246dde7dbdf 100644
--- a/dlls/api-ms-win-crt-private-l1-1-0/api-ms-win-crt-private-l1-1-0.spec
+++ b/dlls/api-ms-win-crt-private-l1-1-0/api-ms-win-crt-private-l1-1-0.spec
@@ -147,11 +147,11 @@
 @ cdecl _o___std_type_info_destroy_list(ptr) ucrtbase._o___std_type_info_destroy_list
 @ cdecl _o___std_type_info_name(ptr ptr) ucrtbase._o___std_type_info_name
 @ cdecl _o___stdio_common_vfprintf(int64 ptr str ptr ptr) ucrtbase._o___stdio_common_vfprintf
-@ stub _o___stdio_common_vfprintf_p
+@ cdecl _o___stdio_common_vfprintf_p(int64 ptr str ptr ptr) ucrtbase._o___stdio_common_vfprintf_p
 @ cdecl _o___stdio_common_vfprintf_s(int64 ptr str ptr ptr) ucrtbase._o___stdio_common_vfprintf_s
 @ cdecl _o___stdio_common_vfscanf(int64 ptr str ptr ptr) ucrtbase._o___stdio_common_vfscanf
 @ cdecl _o___stdio_common_vfwprintf(int64 ptr wstr ptr ptr) ucrtbase._o___stdio_common_vfwprintf
-@ stub _o___stdio_common_vfwprintf_p
+@ cdecl _o___stdio_common_vfwprintf_p(int64 ptr wstr ptr ptr) ucrtbase._o___stdio_common_vfwprintf_p
 @ cdecl _o___stdio_common_vfwprintf_s(int64 ptr wstr ptr ptr) ucrtbase._o___stdio_common_vfwprintf_s
 @ cdecl _o___stdio_common_vfwscanf(int64 ptr wstr ptr ptr) ucrtbase._o___stdio_common_vfwscanf
 @ cdecl _o___stdio_common_vsnprintf_s(int64 ptr long long str ptr ptr) ucrtbase._o___stdio_common_vsnprintf_s
diff --git a/dlls/api-ms-win-crt-stdio-l1-1-0/api-ms-win-crt-stdio-l1-1-0.spec b/dlls/api-ms-win-crt-stdio-l1-1-0/api-ms-win-crt-stdio-l1-1-0.spec
index 19c06eaa67d..fce22df0357 100644
--- a/dlls/api-ms-win-crt-stdio-l1-1-0/api-ms-win-crt-stdio-l1-1-0.spec
+++ b/dlls/api-ms-win-crt-stdio-l1-1-0/api-ms-win-crt-stdio-l1-1-0.spec
@@ -2,11 +2,11 @@
 @ cdecl __p__commode() ucrtbase.__p__commode
 @ cdecl __p__fmode() ucrtbase.__p__fmode
 @ cdecl __stdio_common_vfprintf(int64 ptr str ptr ptr) ucrtbase.__stdio_common_vfprintf
-@ stub __stdio_common_vfprintf_p
+@ cdecl __stdio_common_vfprintf_p(int64 ptr str ptr ptr) ucrtbase.__stdio_common_vfprintf_p
 @ cdecl __stdio_common_vfprintf_s(int64 ptr str ptr ptr) ucrtbase.__stdio_common_vfprintf_s
 @ cdecl __stdio_common_vfscanf(int64 ptr str ptr ptr) ucrtbase.__stdio_common_vfscanf
 @ cdecl __stdio_common_vfwprintf(int64 ptr wstr ptr ptr) ucrtbase.__stdio_common_vfwprintf
-@ stub __stdio_common_vfwprintf_p
+@ cdecl __stdio_common_vfwprintf_p(int64 ptr wstr ptr ptr) ucrtbase.__stdio_common_vfwprintf_p
 @ cdecl __stdio_common_vfwprintf_s(int64 ptr wstr ptr ptr) ucrtbase.__stdio_common_vfwprintf_s
 @ cdecl __stdio_common_vfwscanf(int64 ptr wstr ptr ptr) ucrtbase.__stdio_common_vfwscanf
 @ cdecl __stdio_common_vsnprintf_s(int64 ptr long long str ptr ptr) ucrtbase.__stdio_common_vsnprintf_s
diff --git a/dlls/msvcrt/file.c b/dlls/msvcrt/file.c
index bf7496cc233..6e955099090 100644
--- a/dlls/msvcrt/file.c
+++ b/dlls/msvcrt/file.c
@@ -5257,6 +5257,20 @@ int CDECL _stdio_common_vfprintf(unsigned __int64 options, FILE *file, const cha
     return vfprintf_helper(options & UCRTBASE_PRINTF_MASK, file, format, locale, valist);
 }
 
+/*********************************************************************
+ *              __stdio_common_vfprintf_p (UCRTBASE.@)
+ */
+int CDECL __stdio_common_vfprintf_p(unsigned __int64 options, FILE *file, const char *format,
+                                          _locale_t locale, __ms_va_list valist)
+{
+    if (options & ~UCRTBASE_PRINTF_MASK)
+        FIXME("options %s not handled\n", wine_dbgstr_longlong(options));
+
+    return vfprintf_helper((options & UCRTBASE_PRINTF_MASK) | MSVCRT_PRINTF_POSITIONAL_PARAMS
+            | MSVCRT_PRINTF_INVOKE_INVALID_PARAM_HANDLER, file, format, locale, valist);
+}
+
+
 /*********************************************************************
  *              __stdio_common_vfprintf_s (UCRTBASE.@)
  */
@@ -5282,6 +5296,20 @@ int CDECL __stdio_common_vfwprintf(unsigned __int64 options, FILE *file, const w
     return vfwprintf_helper(options & UCRTBASE_PRINTF_MASK, file, format, locale, valist);
 }
 
+/*********************************************************************
+ *              __stdio_common_vfwprintf_p (UCRTBASE.@)
+ */
+int CDECL __stdio_common_vfwprintf_p(unsigned __int64 options, FILE *file, const wchar_t *format,
+                                           _locale_t locale, __ms_va_list valist)
+{
+    if (options & ~UCRTBASE_PRINTF_MASK)
+        FIXME("options %s not handled\n", wine_dbgstr_longlong(options));
+
+    return vfwprintf_helper((options & UCRTBASE_PRINTF_MASK) | MSVCRT_PRINTF_POSITIONAL_PARAMS
+            | MSVCRT_PRINTF_INVOKE_INVALID_PARAM_HANDLER, file, format, locale, valist);
+}
+
+
 /*********************************************************************
  *              __stdio_common_vfwprintf_s (UCRTBASE.@)
  */
diff --git a/dlls/ucrtbase/ucrtbase.spec b/dlls/ucrtbase/ucrtbase.spec
index 8f331825fc4..cc6f2e70f6b 100644
--- a/dlls/ucrtbase/ucrtbase.spec
+++ b/dlls/ucrtbase/ucrtbase.spec
@@ -147,11 +147,11 @@
 @ cdecl __std_type_info_hash(ptr)
 @ cdecl __std_type_info_name(ptr ptr)
 @ cdecl __stdio_common_vfprintf(int64 ptr str ptr ptr) _stdio_common_vfprintf
-@ stub __stdio_common_vfprintf_p
+@ cdecl __stdio_common_vfprintf_p(int64 ptr str ptr ptr)
 @ cdecl __stdio_common_vfprintf_s(int64 ptr str ptr ptr)
 @ cdecl __stdio_common_vfscanf(int64 ptr str ptr ptr)
 @ cdecl __stdio_common_vfwprintf(int64 ptr wstr ptr ptr)
-@ stub __stdio_common_vfwprintf_p
+@ cdecl __stdio_common_vfwprintf_p(int64 ptr wstr ptr ptr)
 @ cdecl __stdio_common_vfwprintf_s(int64 ptr wstr ptr ptr)
 @ cdecl __stdio_common_vfwscanf(int64 ptr wstr ptr ptr)
 @ cdecl __stdio_common_vsnprintf_s(int64 ptr long long str ptr ptr)
@@ -811,11 +811,11 @@
 @ cdecl _o___std_type_info_destroy_list(ptr) __std_type_info_destroy_list
 @ cdecl _o___std_type_info_name(ptr ptr) __std_type_info_name
 @ cdecl _o___stdio_common_vfprintf(int64 ptr str ptr ptr) _stdio_common_vfprintf
-@ stub _o___stdio_common_vfprintf_p
+@ cdecl _o___stdio_common_vfprintf_p(int64 ptr str ptr ptr) __stdio_common_vfprintf_p
 @ cdecl _o___stdio_common_vfprintf_s(int64 ptr str ptr ptr) __stdio_common_vfprintf_s
 @ cdecl _o___stdio_common_vfscanf(int64 ptr str ptr ptr) __stdio_common_vfscanf
 @ cdecl _o___stdio_common_vfwprintf(int64 ptr wstr ptr ptr) __stdio_common_vfwprintf
-@ stub _o___stdio_common_vfwprintf_p
+@ cdecl _o___stdio_common_vfwprintf_p(int64 ptr wstr ptr ptr) __stdio_common_vfwprintf_p
 @ cdecl _o___stdio_common_vfwprintf_s(int64 ptr wstr ptr ptr) __stdio_common_vfwprintf_s
 @ cdecl _o___stdio_common_vfwscanf(int64 ptr wstr ptr ptr) __stdio_common_vfwscanf
 @ cdecl _o___stdio_common_vsnprintf_s(int64 ptr long long str ptr ptr) __stdio_common_vsnprintf_s