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The vulnerability in question , ( CVE -2018-8423 ) , is a memory corruption vulnerability that exists in the Jet Database Engine that , when exploited , allows for remote code execution .
 discover vulnerability: in question
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: in question