CVE-2026-69730: Windows DNS Server Remote Code Execution Vulnerability
Use after free in Windows DNS allows an unauthorized attacker to execute code over a network.
Other sources
Windows DNS Server Remote Code Execution Vulnerability
— Microsoft
Affected Software
Remediation
Event History
Frequently Asked Questions
Which systems are in scope for this issue?
The affected software list includes Microsoft Windows 10 and Microsoft Windows Server 2012, 2012 R2, 2016, 2019, 2022, and 2025. The vulnerability is specifically in Windows DNS Server, so exposure depends on the DNS Server role being present and reachable.
What access does an attacker need to exploit it?
The supplied severity vector indicates network attack access, low attack complexity, no privileges required, and no user interaction required. An unauthorized attacker can execute code over the network.
What is the likely security impact of successful exploitation?
Successful exploitation can result in remote code execution. The supplied vector rates confidentiality, integrity, and availability impacts as high.
Is there evidence in the provided data that exploitation is occurring in the wild?
No. The supplied vector lists exploit code maturity as unproven (E:U), and the provided data does not state that active exploitation has been observed.