CVE-2021-34442

HIGH

Windows Server 2008, 2012, 2016, 2019 - Remote Code Execution in DNS Server

Title source: llm

Windows DNS Server Remote Code Execution Vulnerability

Core 1

Core References

Patch, Vendor Advisory x_refsource_misc

CVSS v3 8.8

EPSS 0.0293

EPSS Percentile 85.6%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Status published

Products (8)

microsoft/windows_server_2008

microsoft/windows_server_2008 r2 sp1

microsoft/windows_server_2012

microsoft/windows_server_2012 r2

microsoft/windows_server_2016

microsoft/windows_server_2016 20h2

microsoft/windows_server_2016 2004

microsoft/windows_server_2019

Published Jul 16, 2021

Tracked Since Feb 18, 2026