Privilege escalation in Microsoft Office for Mac

Published: 2018-08-14 22:52:10
Severity Low
Patch available YES
Number of vulnerabilities 1
CVE ID CVE-2018-8412
CVSSv3 6.8 [CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CWE ID CWE-264
Exploitation vector Local
Public exploit N/A
Vulnerable software Microsoft Office for Mac
Vulnerable software versions Microsoft Office for Mac 2016
Vendor URL Microsoft

Security Advisory

1) Elevation of privilege

Description

The vulnerability allows a local user to elevate privileges on the system.

The vulnerability exists due to an error in Microsoft AutoUpdate (MAU) functionality for Mac when handling updates. A local user can place a specially crafted binary in the location used by the update application and execute arbitrary code on the system with elevated privileges. 

Remediation

Install updates from vendor's website.

External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8412

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