Vulnerability identifier: #VU14373

Vulnerability risk: Critical

CVSSv3.1: 8.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C]

CVE-ID: CVE-2018-8414

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Windows
Operating systems & Components / Operating system
Windows Server
Operating systems & Components / Operating system

Vendor: Microsoft

Description

The vulnerability allows a remote attacker to execute arbitrary commands on the target system.

The vulnerability exists due to an error when validating file paths in Windows Shell. A remote attacker can create a specially crafted file, trick the victim into opening it and execute arbitrary system commands on the vulnerable system.

Note: this vulnerability is being actively exploited in the wild.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Windows: 10

Windows Server: 2016

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External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8414

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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.