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As noted on the support page for Windows 10 version 1803 , the microcode updates include mitigations for Spectre Variant 3a , CVE -2018-3640 , Spectre Variant 4 , CVE -2018-3639 , as well as two of the Foreshadow bugs , CVE -2018-3615 and CVE -2018-3646 , which are also known as L1TF or ' L1 Terminal Fault ' .
 discover vulnerability: are also known as
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:
 discover vulnerability: are also known as