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Remote Desktop Client

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high advisory

Microsoft Security Updates — July 2026

Roundup of Microsoft security advisories published in July 2026.

PoC PowerShell +516 roundup
10c 227i updated
medium advisory

Suspicious RDP Client Image Load

The rule detects suspicious loading of the Remote Desktop Services ActiveX Client (mstscax.dll) from unusual locations, potentially indicating RDP lateral movement on Windows systems.

Remote Desktop Client lateral-movement threat-detection windows
2r 1t