A remote code execution vulnerability exists when the Microsoft Office Access Connectivity Engine improperly handles objects in memory, aka ‘Microsoft Office Access Connectivity Engine Remote Code Execution Vulnerability’. This CVE ID is unique from CVE-2019-0823, CVE-2019-0824, CVE-2019-0825, CVE-2019-0827.
Source: NIST
CVE-2019-0826 (office, office_365_proplus)