Updates from early 2018 addressed vulnerabilities that could allow remote code execution if a user opened a malicious file.
By February 2018, Office 2013 was in its phase. Updates during this period focused almost exclusively on security vulnerabilities and critical bug fixes. Office 2013 Professional Plus SP1 Feb 2018 Down...
A specific update from January 2, 2018 (KB3172510), improved the thesaurus and general stability across all Office products. Installation & Troubleshooting Description of Microsoft Office 2013 Service Pack 1 (SP1) Updates from early 2018 addressed vulnerabilities that could