Vulnerability identifier: #VU9917

Vulnerability risk: Low

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-0819

CWE-ID: CWE-451

Exploitation vector: Network

Exploit availability: No

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

Vendor: Microsoft

Description
The vulnerability allows a remote attacker to perform a spoofing attack.

The vulnerability exists due to improper validation of encoding and display of email addresses.A remote attacker can create a specially crafted email and bypass  antivirus or antispam scanning.

Successful exploitation of the vulnerability may allow an attacker to perform a spoofing attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Microsoft Office for Mac: 2016

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External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0819

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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