Microsoft's April 14 Windows update introduced a security warning for Remote Desktop (.rdp) files to protect against phishing, but a display scaling bug is causing the warning to render incorrectly for some users — with overlapping text or hidden buttons — particularly on multi-monitor setups with different scaling settings. A workaround is to match scaling across monitors or use Tab/Spacebar to interact with hidden buttons. Separately, Microsoft issued an out-of-band .NET update this week after discovering an elevation-of-privilege vulnerability (CVE-2026-40372) in .NET versions 10.0.0–10.0.6, exploitable via forged authentication cookies.
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