Vulnerability identifier: #VU26777
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:
CWE-ID:
CWE-119
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 escalate privileges on the target system.
The vulnerability exists due to a boundary error in the Windows Hyper-V on a host server. A remote administrator on the local network can trigger memory corruption and gain elevated privileges on a target operating system.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Windows: 10 1809 - 10 1909
Windows Server: 2019 - 2019 1909
External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0917
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.