Endpoint Vulnerability

Microsoft Excel Information Disclosure Vulnerability


An information disclosure vulnerability exists when Microsoft Excel improperly discloses the contents of its memory. An attacker who exploited the vulnerability could use the information to compromise the user s computer or data. To exploit the vulnerability, an attacker could craft a special document file and then convince the user to open it. An attacker must know the memory address location where the object was created. The update addresses the vulnerability by changing the way certain Excel functions handle objects in memory.

Affected Products

Microsoft Office Web Apps 2013 Service Pack 1,Microsoft Office 2019 for Mac,Microsoft Office Online Server,Microsoft SharePoint Enterprise Server 2013 Service Pack 1,Microsoft 365 Apps for Enterprise for 64-bit Systems,Microsoft Excel 2013 Service Pack 1 (32-bit editions),Microsoft Office 2019 for 64-bit editions,Microsoft Excel 2013 Service Pack 1 (64-bit editions),Microsoft Office 2016 for Mac,Microsoft Excel 2013 RT Service Pack 1