CVE-2026-47654 Remote Desktop Client Remote Code Execution Vulnerability
An unauthorized attacker can execute code over a network via a use-after-free flaw in the Remote Desktop Client on Windows Server.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-47654?
CVE-2026-47654 is a high-severity use after free vulnerability in Microsoft Windows Server 2016, published on 9 Jun 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
Which versions are affected by CVE-2026-47654?
It affects 4 products.
Products include Microsoft Windows Server 2016, Microsoft Windows Server 2019, Microsoft Windows Server 2022, Microsoft Windows Server 2025.
How do I fix CVE-2026-47654?
No fix has been published for CVE-2026-47654 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-2026-47654 being exploited?
There is no known exploitation of CVE-2026-47654 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-w5f2-x256-q5rw.