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Microsoft Windows 11 Remote Desktop warning fix (KB5083631)

Security Patch Release
First reported
Last updated
Happening score
H score 15
1 unique sources, 1 articles

Summary

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Microsoft released the optional KB5083631 preview cumulative update for Windows 11, fixing a Remote Desktop (.rdp) security-warning rendering bug that could make the dialog unreadable on multi-monitor systems with mixed scaling. The issue also affected supported Windows 10 and Windows Server builds, and it could surface after the April 2026 (KB5083769) security update. The fix matters because the warning was introduced to reduce phishing abuse of RDP files, and a broken dialog can block users from seeing or acting on the prompt.

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Timeline

  1. 01.05.2026 15:46 1 articles · 2mo ago

    Microsoft acknowledges Remote Desktop warning rendering bug

    Initial Disclosure

    Microsoft acknowledged a Windows issue where newly introduced security warnings could render incorrectly when opening Remote Desktop (.rdp) files on supported Windows versions, especially on multi-monitor systems with different display scaling settings, leaving alert buttons misaligned or partially hidden and making the dialog hard to read or use.

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  2. 01.05.2026 15:46 2 articles · 2mo ago

    Microsoft releases KB5083631 to fix the Remote Desktop warning dialog

    Mitigation Patch Update

    Microsoft released the optional KB5083631 preview cumulative update for Windows 11 to fix the Remote Desktop Connection security warning dialog rendering bug, which could appear after the April 2026 (KB5083769) security update and affect multi-monitor systems with mixed scaling.

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