diff --git a/ChangeLog b/ChangeLog
index e572dcda3c..7f7a9e7af6 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+Mon Mar 19 00:34:38 2018  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	win32.c: unknown reparse tags
+
+	* win32/win32.c (rb_w32_read_reparse_point): skip unknown reparse tags.
+	  [Bug #14047]
+
 Mon Mar 19 00:32:31 2018  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* test/ruby/test_lazy_enumerator.rb: test for [Bug #14082]
diff --git a/version.h b/version.h
index 11f95fb1f1..9b6d39e72b 100644
--- a/version.h
+++ b/version.h
@@ -1,6 +1,6 @@
 #define RUBY_VERSION "2.3.7"
 #define RUBY_RELEASE_DATE "2018-03-19"
-#define RUBY_PATCHLEVEL 428
+#define RUBY_PATCHLEVEL 429
 
 #define RUBY_RELEASE_YEAR 2018
 #define RUBY_RELEASE_MONTH 3
diff --git a/win32/win32.c b/win32/win32.c
index 72f0797988..3f189b3a6c 100644
--- a/win32/win32.c
+++ b/win32/win32.c
@@ -4840,7 +4840,7 @@ rb_w32_read_reparse_point(const WCHAR *path, rb_w32_reparse_buffer_t *rp,
 	    ret = rp->SymbolicLinkReparseBuffer.PrintNameLength;
 	    *len = ret / sizeof(WCHAR);
 	}
-	else { /* IO_REPARSE_TAG_MOUNT_POINT */
+	else if (rp->ReparseTag == IO_REPARSE_TAG_MOUNT_POINT) {
 	    static const WCHAR *volume = L"Volume{";
 	    /* +4/-4 means to drop "\??\" */
 	    name = ((char *)rp->MountPointReparseBuffer.PathBuffer +
@@ -4853,6 +4853,9 @@ rb_w32_read_reparse_point(const WCHAR *path, rb_w32_reparse_buffer_t *rp,
 		memcmp(name, volume, sizeof(volume) - 1 * sizeof(WCHAR)) == 0)
 		return -1;
 	}
+	else {
+	    return -1;
+	}
 	*result = name;
 	if (e) {
 	    if ((char *)name + ret + sizeof(WCHAR) > (char *)rp + bufsize)