This security bulletin contains one high risk vulnerability.
Exploit availability: NoDescription
The vulnerability allows a remote attacker to execute arbitrary code on the system.
The vulnerability exists due to insufficient validation of user-supplied input in Windows DNS Server. A remote attacker can pass specially crafted input to the application and execute arbitrary code on the target system.Mitigation
Install updates from vendor's website.Vulnerable software versions
Windows Server: 2008 - 2019 2004
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.