Security vulnerabilities in Microsoft Excel 2016

As of 10/19/2026, Microsoft Excel 2016 recorded 56 security vulnerabilities in the last 90 days, of which 38 are rated High or Critical. None of these vulnerabilities is actively exploited (KEV) according to CISA's catalog. CyStack recommends that organizations and individual users apply patches as soon as possible.

CyStack does not yet have sufficient official-source data to identify the latest version of Microsoft Excel 2016 and determine which vulnerabilities affect that version.