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The saga of CVE -2017-0199 , a recently patched zero - day vulnerability affecting Microsoft Office and WordPad , just got a little stranger yesterday after cyber-security firm FireEye revealed the vulnerability was used by both cyber-criminals pushing mundane malware , and also by state - sponsored cyber-espionage groups .
 ( discover vulnerability: affecting,  Microsoft Office: vulnerable system, WordPad: vulnerable system, a recently patched zero - day vulnerability: vulnerability, CVE -2017-0199: common vulnerabilities and exposures) 
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:
 ( discover vulnerability: affecting,  Microsoft Office: vulnerable system, WordPad: vulnerable system, a recently patched zero - day vulnerability: vulnerability, CVE -2017-0199: common vulnerabilities and exposures) 