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 2019 for 64-bit editions,Microsoft Excel 2013 RT Service Pack 1,Microsoft Excel 2013 Service Pack 1 (32-bit editions),Office 365 ProPlus for 32-bit Systems,Microsoft Excel 2013 Service Pack 1 (64-bit editions),Office 365 ProPlus for 64-bit Systems,Microsoft Office 2019 for 32-bit editions,Microsoft Excel 2016 x64,Microsoft Excel 2016 x86,Microsoft Excel 2010 Service Pack 2 (32-bit editions)