3487
The bugs were patched Nov. 8 by Microsoft in a cumulative update for the Edge browser ; Microsoft characterized them as memory corruption flaws and rated them both critical for Windows clients and moderate for Windows server .
 patch vulnerability: were 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: were patched