Corn Salad with Creamy Italian Dressing

Name: Corn Salad with Creamy Italian Dressing
Ingredients: 0.5 cup mayonnaise; 0.25 cup red wine vinegar; 0.25 cup olive oil; 2 teaspoons water; 1 clove garlic, crushed; 0.5 teaspoon freshly ground black pepper; 0.5 teaspoon white sugar; 0.25 teaspoon salt; 0.25 teaspoon Italian seasoning; 1 pinch cayenne pepper, or more to taste; olive oil; 1 (16 ounce) package frozen sweet corn, thawed; 1 cup diced roasted red peppers; salt and ground black pepper to taste; 5 fresh basil leaves, thinly sliced, or more to taste; 1 pinch cayenne pepper, or to taste