CVE-2024-26223 Windows DNS Server Remote Code Execution Vulnerability
Remote attackers can execute arbitrary code on Windows DNS Server via a use-after-free vulnerability, requiring immediate patching.
- 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-2024-26223?
CVE-2024-26223 is a high-severity use after free vulnerability in Microsoft Windows Server 2016, published on 9 Apr 2024. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
Windows DNS Server Remote Code Execution Vulnerability
Weakness: CWE-416
Which versions are affected by CVE-2024-26223?
It affects 4 products.
Products include Microsoft Windows Server 2016, Microsoft Windows Server 2019, Microsoft Windows Server 2022, Microsoft Windows Server 2022 23h2.
How do I fix CVE-2024-26223?
No fix has been published for CVE-2024-26223 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2024-26223 being exploited?
There is no known exploitation of CVE-2024-26223 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Windows Server 2016
- CVE-2021-34458 Windows Kernel Remote Code Execution Vulnerability
- CVE-2024-38076 Windows Remote Desktop Licensing Service Remote Code Execution Vulnerability
- CVE-2026-27928 Windows Hello Security Feature Bypass Vulnerability
- CVE-2025-27482 Windows Remote Desktop Services Remote Code Execution Vulnerability
- CVE-2024-49106 Windows Remote Desktop Services Remote Code Execution Vulnerability
Sources
Also known as GHSA-3656-hc57-pfv2.