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Microsoft has rolled out its August Patch Tuesday fixes , addressing 19 critical vulnerabilities , including fixes for two zero - day vulnerabilities that are under active attack .
 patch vulnerability: has rolled out
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: has rolled out