CVE-2022-26818 Windows DNS Server Remote Code Execution Vulnerability
Attackers can execute arbitrary code remotely on Windows DNS Server, requiring immediate patching by system administrators.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-26818?
CVE-2022-26818 is a medium-severity code injection vulnerability in Microsoft Windows Server 2012, published on 15 Apr 2022. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
Windows DNS Server Remote Code Execution Vulnerability
Which versions are affected by CVE-2022-26818?
It affects 4 products.
Products include Microsoft Windows Server 2012, Microsoft Windows Server 2016, Microsoft Windows Server 2019, Microsoft Windows Server 2022.
How do I fix CVE-2022-26818?
No fix has been published for CVE-2022-26818 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2022-26818 being exploited?
There is no known exploitation of CVE-2022-26818 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Windows Server 2012
- CVE-2025-59287 Microsoft Windows Server Update Service (WSUS) Deserialization of Untrusted Data
- CVE-2026-69595 Windows Services for NFS ONCRPC XDR Driver Remote Code Execution Vulnerability
- CVE-2026-78445 Windows Services for NFS ONCRPC XDR Driver Remote Code Execution Vulnerability
- CVE-2026-41089 Windows Netlogon Remote Code Execution Vulnerability
- CVE-2024-43639 Windows KDC Proxy Remote Code Execution Vulnerability
Sources
Also known as GHSA-352q-p9ch-9v33.