520
On Sunday , Brad Smith , Microsoft ’s president and chief legal officer , wrote a blog post describing the company ’s efforts to stop the ransomware ’s spread , including an unusual step it took to release a security update for versions of Windows that Microsoft no longer supports .
 a security update: patch; Windows: vulnerable system; Microsoft: releaser
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:
 a security update: patch; Windows: vulnerable system; Microsoft: releaser