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 6196fb49ca4..6c46519570d 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
@@ -7,7 +7,7 @@
 @ 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
-@ stub __stdio_common_vfwprintf_s
+@ 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
 @ cdecl __stdio_common_vsnwprintf_s(int64 ptr long long wstr ptr ptr) ucrtbase.__stdio_common_vsnwprintf_s
diff --git a/dlls/msvcrt/file.c b/dlls/msvcrt/file.c
index 1c63202f013..eb474c56b95 100644
--- a/dlls/msvcrt/file.c
+++ b/dlls/msvcrt/file.c
@@ -5185,6 +5185,33 @@ int CDECL MSVCRT__stdio_common_vfwprintf(unsigned __int64 options, MSVCRT_FILE *
     return ret;
 }
 
+/*********************************************************************
+ *              __stdio_common_vfwprintf_s (UCRTBASE.@)
+ */
+int CDECL MSVCRT__stdio_common_vfwprintf_s(unsigned __int64 options, MSVCRT_FILE *file, const MSVCRT_wchar_t *format,
+                                           MSVCRT__locale_t locale, __ms_va_list valist)
+{
+    BOOL tmp_buf;
+    int ret;
+
+    if (!MSVCRT_CHECK_PMT(file != NULL)) return -1;
+    if (!MSVCRT_CHECK_PMT(format != NULL)) return -1;
+
+    MSVCRT__lock_file(file);
+    tmp_buf = add_std_buffer(file);
+
+    if (options & ~UCRTBASE_PRINTF_MASK)
+        FIXME("options %s not handled\n", wine_dbgstr_longlong(options));
+
+    ret = pf_printf_w(puts_clbk_file_w, file, format, locale,
+            (options & UCRTBASE_PRINTF_MASK) | MSVCRT_PRINTF_INVOKE_INVALID_PARAM_HANDLER,
+            arg_clbk_valist, NULL, &valist);
+
+    if (tmp_buf) remove_std_buffer(file);
+    MSVCRT__unlock_file(file);
+
+    return ret;
+}
 
 /*********************************************************************
  *              _vfwprintf_l (MSVCRT.@)
diff --git a/dlls/ucrtbase/ucrtbase.spec b/dlls/ucrtbase/ucrtbase.spec
index 6ba0ae04ede..90ee5b6fb5b 100644
--- a/dlls/ucrtbase/ucrtbase.spec
+++ b/dlls/ucrtbase/ucrtbase.spec
@@ -152,7 +152,7 @@
 @ cdecl __stdio_common_vfscanf(int64 ptr str ptr ptr) MSVCRT__stdio_common_vfscanf
 @ cdecl __stdio_common_vfwprintf(int64 ptr wstr ptr ptr) MSVCRT__stdio_common_vfwprintf
 @ stub __stdio_common_vfwprintf_p
-@ stub __stdio_common_vfwprintf_s
+@ cdecl __stdio_common_vfwprintf_s(int64 ptr wstr ptr ptr) MSVCRT__stdio_common_vfwprintf_s
 @ cdecl __stdio_common_vfwscanf(int64 ptr wstr ptr ptr) MSVCRT__stdio_common_vfwscanf
 @ cdecl __stdio_common_vsnprintf_s(int64 ptr long long str ptr ptr) MSVCRT__stdio_common_vsnprintf_s
 @ cdecl __stdio_common_vsnwprintf_s(int64 ptr long long wstr ptr ptr) MSVCRT__stdio_common_vsnwprintf_s