diff --git a/src/Microsoft.AspNetCore.Mvc.ViewFeatures/ViewFeatures/CookieTempDataProvider.cs b/src/Microsoft.AspNetCore.Mvc.ViewFeatures/ViewFeatures/CookieTempDataProvider.cs
index c3f21802c9..41a15033ab 100644
--- a/src/Microsoft.AspNetCore.Mvc.ViewFeatures/ViewFeatures/CookieTempDataProvider.cs
+++ b/src/Microsoft.AspNetCore.Mvc.ViewFeatures/ViewFeatures/CookieTempDataProvider.cs
@@ -65,6 +65,7 @@ public void SaveTempData(HttpContext context, IDictionary<string, object> values
             {
                 Domain = string.IsNullOrEmpty(_options.Domain) ? null : _options.Domain,
                 HttpOnly = true,
+                SameSite = SameSiteMode.Strict,
                 Secure = context.Request.IsHttps,
             };
             SetCookiePath(context, cookieOptions);