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Microsoft quietly fixed the issue on Windows 10 Redstone 4 ( v1803 ) , also known as the April 2018 Update , released on Monday .
 patch vulnerability: released
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: released