Vulnerability identifier: #VU8767

Vulnerability risk: Low

CVSSv3.1: 9.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C]

CVE-ID: CVE-2017-11774

CWE-ID: CWE-264

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
Microsoft Outlook
Client/Desktop applications / Office applications

Vendor: Microsoft

Description

The vulnerability allows a remote attacker to bypass security restrictions on the target system.

The vulnerability exists due to an error when Microsoft Office improperly handles objects in memory. A remote attacker can provide a specially crafted document file, trick the victim into opening it and execute arbitrary commands.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Microsoft Outlook:

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External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11774

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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?

Yes. This vulnerability is being exploited in the wild.