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It is taking advantage of outdated versions of applications such as Flash , Internet Explorer , or Microsoft Edge to distribute the Cerber ransomware , researchers said .
 ( discover vulnerability: said,  outdated versions: vulnerability, Flash: vulnerable system, Internet Explorer: vulnerable system, Microsoft Edge: vulnerable system, distribute the Cerber ransomware: capabilities, researchers: 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: said,  outdated versions: vulnerability, Flash: vulnerable system, Internet Explorer: vulnerable system, Microsoft Edge: vulnerable system, distribute the Cerber ransomware: capabilities, researchers: discoverer) 