Vulnerability identifier: #VU11051

Vulnerability risk: Medium

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-0907

CWE-ID: CWE-264

Exploitation vector: Network

Exploit availability: No

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

Vendor: Microsoft

Description
The vulnerability allows a remote attacker to bypass certain security restrictions.

The vulnerability exists in in Microsoft Office software by not enforcing macro settings on an Excel document. A remote attacker can trick the victim to open a specially crafted Excel document and change default behavior of Microsoft Excel.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Microsoft Office for Mac: 2016

Microsoft Excel:

Microsoft Office:

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External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0907

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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.