2900
" However , the proof - of - concept exploit code , Win10.py , has already been released publicly for Windows 10 by security researcher Laurent Gaffie and does not require targets to use a browser .
 ( discover vulnerability: released,  proof - of - concept exploit code: vulnerability, Windows 10: vulnerable system, security researcher Laurent Gaffie: discoverer) 
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: released,  proof - of - concept exploit code: vulnerability, Windows 10: vulnerable system, security researcher Laurent Gaffie: discoverer) 