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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 .
 discover vulnerability: uncovered
Please tell me event type and its trigger word from given type options. Output format is "type: trigger".  Option: phishing, data breach, ransom, discover vulnerability, patch vulnerability 
Text: {0} 
Answer:
 discover vulnerability: uncovered