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As part of its monthly Update Tuesday , Microsoft announced this week that they ’ve released a preliminary fix for a vulnerability rated important , and present in all supported versions of Windows in circulation ( basically any client or server version of Windows from 2008 onward ) .
 patch vulnerability: announced
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: announced