The Windows NT scheduler uses the drive mapping of the interactive user who is currently logged onto the system, which allows the local user to gain privileges by providing a Trojan horse batch file in place of the original batch file.

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Windows NT Task Scheduler installed with Internet Explorer 5 allows a user to gain privileges by modifying the job after it has been scheduled.

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The setup wizard (ie5setup.exe) for Internet Explorer 5.0 disables (1) the screen saver, which could leave the system open to users with physical access if a failure occurs during an unattended installation, and (2) the Task Scheduler Service, which might prevent the scheduled execution of security-critical programs.

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