662
0patch noticed that the patch Microsoft had issued was flawed as a result of studying the official patch of the Jet Database Engine and a “ micropatch ” that the security researchers had created for the same flaw .
 patch vulnerability: had issued
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:
 patch vulnerability: had issued