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Instead , the emergency update fixed a vulnerability in the Windows Host Compute Service Shim ( hcsshim ) library ( CVE -2018-8115 ) that allows an attacker to remotely execute code on vulnerable systems .
 patch vulnerability: fixed
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: fixed