<p>A denial of service vulnerability exists in Windows DNS when it fails to properly handle queries. An attacker who successfully exploited this vulnerability could cause the DNS service to become nonresponsive.</p> <p>To exploit the vulnerability, an authenticated attacker could send malicious DNS queries to a target, resulting in a denial of service.</p> <p>The update addresses the vulnerability by correcting how Windows DNS processes queries.</p>
| Software | From | Fixed in |
|---|---|---|
| microsoft / windows_server_2012 | r2 | r2.x |
| microsoft / windows_server_2008 | --sp2 | --sp2.x |
| microsoft / windows_server_2016 | 1903 | 1903.x |
| microsoft / windows_server_2016 | 1909 | 1909.x |
| microsoft / windows_server_2016 | 2004 | 2004.x |