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Late Friday , Microsoft took the unusual step of making patches that protect older systems against WannaCry , including Windows XP , free .
 Microsoft: releaser; Late Friday: time; older systems: vulnerable system; Windows XP: vulnerable system
Given event type and trigger, please tell me the arguments of all the listed option. Output format is "name1: role1; name2: role2". 
Event type: patch vulnerability 
  Option: issues addressed, patch, vulnerability, time, vulnerable system version, releaser, patch number, common vulnerabilities and exposures, supported platform, vulnerable system 
Text: {0} 
Answer:
 Microsoft: releaser; Late Friday: time; older systems: vulnerable system; Windows XP: vulnerable system