has exploited Office vulnerabilities such as CVE-2017-11882 and CVE-2017-8570 for execution during delivery. 
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request. ### Instruction: List the MITRE techniques contained in the text. ### Input: has exploited Office vulnerabilities such as CVE-2017-11882 and CVE-2017-8570 for execution during delivery.  ### Response: T1203.