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Microsoft has released an emergency security update to patch below - reported crazy bad remote code execution vulnerability in its Microsoft Malware Protection Engine ( MMPE ) that affects Windows 7 , 8.1 , RT and 10 computers , as well as Windows Server 2016 operating systems .
 ( patch vulnerability: has released,  an emergency security update: patch, Microsoft: releaser) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: phishing, data breach, ransom, discover vulnerability, patch vulnerability, Arguments type: vulnerable system, capabilities, vulnerability, number of victim, issues addressed, compromised data, damage amount, common vulnerabilities and exposures, victim, patch number, number of data, tool, discoverer, time, purpose, place, payment method, releaser, vulnerable system version, attacker, supported platform, patch, price, vulnerable system owner, trusted entity, attack pattern. 
Text: {0} 
Answer:
 ( patch vulnerability: has released,  an emergency security update: patch, Microsoft: releaser) 