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The bugs were patched Nov. 8 by Microsoft in a cumulative update for the Edge browser ; Microsoft characterized them as memory corruption flaws and rated them both critical for Windows clients and moderate for Windows server .
 Microsoft: releaser; The bugs: vulnerability; Nov. 8: time; the Edge browser: 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; The bugs: vulnerability; Nov. 8: time; the Edge browser: vulnerable system