Vulnerability identifier: #VU26776

Vulnerability risk: Medium

CVSSv3.1: 7.6 [CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2020-0910

CWE-ID: CWE-20

Exploitation vector: Local network

Exploit availability: Yes

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

Vendor: Microsoft

Description

The vulnerability allows a remote user to execute arbitrary code on the target system.

The vulnerability exists due to insufficient validation of user-supplied input in the Windows Hyper-V on a host server. A remote administrator on the local network can run a specially crafted application on a guest operating system and execute arbitrary code.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Windows: 10 1809 - 10 1909

Windows Server: 2019 - 2019 1909

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External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0910

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.