RDP security prompts can misrender on multi-monitor setups after April updates

TL;DR Summary
Microsoft warns of a bug where the new security warnings shown when opening Remote Desktop (RDP) files can render with unreadable text and misaligned buttons when multiple monitors use different display scaling, affecting Windows 11/10/Server after the April 2026 updates. The prompt appears before connecting and shows signer status and resource redirections; the issue follows increased attacker use of RDP in phishing campaigns (e.g., APT29).
- Microsoft: New Remote Desktop warnings may display incorrectly BleepingComputer
- Microsoft confirms Remote Desktop bug in April’s Windows 11 update PCWorld
- Microsoft beefs up Remote Desktop security with ... hard-to-read messages theregister.com
- Windows 11 KB5083769 update breaks BITS and causes system freezes Neowin
- No, Windows 11 KB5083769 is not causing BSODs or death loops, and you don't have to remove the update Windows Latest
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