A remote code execution vulnerability exists in Microsoft Excel for Mac 2011 when it fails to properly handle objects in memory, aka "Microsoft Office Remote Code Execution".
http://www.securityfocus.com/bid/100719
http://www.securitytracker.com/id/1039315
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8567
Source: MITRE
Published: 2017-09-13
Updated: 2017-09-21
Type: CWE-119
Base Score: 9.3
Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C
Impact Score: 10
Exploitability Score: 8.6
Severity: HIGH
Base Score: 7.8
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Impact Score: 5.9
Exploitability Score: 1.8
Severity: HIGH