diff --git a/src/java.base/share/classes/java/util/regex/Pattern.java b/src/java.base/share/classes/java/util/regex/Pattern.java
index 84e1063621d..b1e3977d0b2 100644
--- a/src/java.base/share/classes/java/util/regex/Pattern.java
+++ b/src/java.base/share/classes/java/util/regex/Pattern.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999, 2021, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2022, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -2689,6 +2689,8 @@ loop:   for(int x=0, offset=0; x<nCodePoints; x++, offset+=len) {
                             else
                                 prev = right;
                         } else {
+                            if (curr == null)
+                                throw error("Bad intersection syntax");
                             prev = prev.and(curr);
                         }
                     } else {
diff --git a/test/jdk/java/util/regex/RegExTest.java b/test/jdk/java/util/regex/RegExTest.java
index 95fa95540ca..f46ce327f03 100644
--- a/test/jdk/java/util/regex/RegExTest.java
+++ b/test/jdk/java/util/regex/RegExTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999, 2021, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2022, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -4547,4 +4547,13 @@ public class RegExTest {
                 Pattern.compile(pattern));
         assertTrue(e.getMessage().contains("Unescaped trailing backslash"));
     }
+
+    //This test is for 8280403
+    @Test
+    public static void badIntersectionSyntax() {
+        String pattern = "[˜\\H +F&&]";
+        var e = expectThrows(PatternSyntaxException.class, () ->
+                Pattern.compile(pattern));
+        assertTrue(e.getMessage().contains("Bad intersection syntax"));
+    }
 }