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Argentinean security researcher Manuel Caballero has discovered another vulnerability in Microsoft 's Edge browser that can be exploited to bypass a security protection feature and steal data such as passwords from other sites , or cookie files that contain sensitive information .
 ( discover vulnerability: has discovered,  Argentinean security researcher Manuel Caballero: discoverer, vulnerability: vulnerability, Edge browser: vulnerable system, Microsoft: vulnerable system owner) 
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: has discovered,  Argentinean security researcher Manuel Caballero: discoverer, vulnerability: vulnerability, Edge browser: vulnerable system, Microsoft: vulnerable system owner) 