diff --git a/Library/Homebrew/cmd/update-report.rb b/Library/Homebrew/cmd/update-report.rb
index ccbde8c4ba..9419a9eb2d 100644
--- a/Library/Homebrew/cmd/update-report.rb
+++ b/Library/Homebrew/cmd/update-report.rb
@@ -992,7 +992,11 @@ class ReporterHub
       # Skip non-homebrew/cask formulae for security.
       return if cask.include?("/")
 
-      Cask::CaskLoader.load(cask).desc&.presence
+      begin
+        Cask::CaskLoader.load(cask).desc&.presence
+      rescue Cask::CaskError
+        nil
+      end
     else
       all_cask_json.find { |f| f["token"] == cask }
                    &.fetch("desc", nil)