This security advisory describes one medium risk vulnerability.
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to insufficient validation of untrusted input within the Windows Remote Desktop Client when a user connects to a malicious server. A remote attacker with control of a server can trick a victim to connect to it and execute arbitrary code on the computer of the connecting client.Mitigation
Install update from vendor's website.Vulnerable software versions
Windows: 7, 8.1, 10, 10 1607, 10 1703, 10 1709, 10 1803, 10 1809, 10 1903, RT 8.1
Windows Server: 1803, 1903, 2008, 2008 R2, 2012, 2012 R2, 2016, 2019CPE
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.