Microsoft Windows systems going back to at least Windows Server 2012 R2 are affected by a vulnerability in the Remote Desktop Services protocol that gives attackers, connected to a remote system via RDP, a way to gain file system access on the machines of other connected users. Threat actors that exploit the flaw can view and modify clipboard data or impersonate the identities of other users logged in to the machine in order to escalate privileges or to move laterally on the network, researchers from CyberArk discovered recently.

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