#VU14396 Elevation of privilege in Microsoft Office for Mac


Published: 2018-08-14 | Updated: 2018-08-14

Vulnerability identifier: #VU14396

Vulnerability risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-8412

CWE-ID: CWE-264

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Microsoft Office for Mac
Client/Desktop applications / Office applications

Vendor: Microsoft

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. 

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Microsoft Office for Mac: 2016

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

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability


Privilege escalation in Microsoft Office for Mac