Microsoft Excel 2007 SP3, Office Compatibility Pack SP3, Excel Viewer, Excel for Mac 2011, and Excel 2016 for Mac allow remote attackers to obtain sensitive information from process memory or cause a denial of service (out-of-bounds read) via a crafted document, aka "Microsoft Office Information Disclosure Vulnerability."
http://www.securityfocus.com/bid/94769
http://www.securitytracker.com/id/1037441
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-148
Source: MITRE
Published: 2016-12-20
Updated: 2018-10-12
Type: CWE-125
Base Score: 5.8
Vector: AV:N/AC:M/Au:N/C:P/I:N/A:P
Impact Score: 4.9
Exploitability Score: 8.6
Severity: MEDIUM
Base Score: 7.1
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
Impact Score: 5.2
Exploitability Score: 1.8
Severity: HIGH