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Adobe has patched 87 vulnerabilities for Acrobat and Reader in its December Patch Tuesday update , including a slew of critical flaws that would allow arbitrary code - execution .
 patch vulnerability: has 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 patched