1537
Unlike most document - related vulnerabilities , this zero - day bug that has yet to be patched does n't rely on macros -- in which Office typically warns users of risks when opening macro-enabled files .
 patch vulnerability: has yet to be patched
Please tell me event type and its trigger word from given type options. Output format is "type: trigger".  Option: phishing, data breach, ransom, discover vulnerability, patch vulnerability 
Text: {0} 
Answer:
 patch vulnerability: has yet to be patched