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The release came after Google security engineer Clement Lecigne uncovered a critical vulnerability in several versions of Microsoft 's browser , and could have been activated simply by directing users to a malicious website The flaw , known as CVE -2018-8653 , affects Internet Explorer 9 , 10 and 11 , with the update issued to Windows 7 , 8.1 and 10 versions , as well as Windows Server 2008 , 2012 , 2016 and 2019 .
 a critical vulnerability: vulnerability; Google security engineer Clement Lecigne: discoverer; directing users to a malicious website: capabilities; browser: vulnerable system; Microsoft: vulnerable system owner; several versions: vulnerable system version
Given event type and trigger, please tell me the arguments of all the listed option. Output format is "name1: role1; name2: role2". 
Event type: discover vulnerability 
  Option: vulnerable system owner, vulnerability, capabilities, time, vulnerable system version, discoverer, common vulnerabilities and exposures, supported platform, vulnerable system 
Text: {0} 
Answer:
 a critical vulnerability: vulnerability; Google security engineer Clement Lecigne: discoverer; directing users to a malicious website: capabilities; browser: vulnerable system; Microsoft: vulnerable system owner; several versions: vulnerable system version