CVE-2026-97789 Remote Desktop Client Remote Code Execution Vulnerability
An unauthorized attacker can execute arbitrary code remotely via a use-after-free flaw in the Windows Remote Desktop Client.
- 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-2026-97789?
CVE-2026-97789 is a high-severity use after free vulnerability in Microsoft Windows Server 2022, published on 13 Oct 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.
Weakness: CWE-416
Which versions are affected by CVE-2026-97789?
It affects 2 products.
Products include Microsoft Windows Server 2022, Microsoft Windows Server 2025.
How do I fix CVE-2026-97789?
No fix has been published for CVE-2026-97789 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-2026-97789 being exploited?
There is no known exploitation of CVE-2026-97789 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Windows Server 2022
- CVE-2022-34715 Windows Network File System Remote Code Execution Vulnerability
- CVE-2025-50171 Remote Desktop Spoofing Vulnerability
- CVE-2026-70167 Windows Domain Name Service Remote Code Execution Vulnerability
- CVE-2026-45648 Windows Active Directory Domain Services Remote Code Execution Vulnerability
- CVE-2024-30064 Windows Kernel Elevation of Privilege Vulnerability
Sources
Also known as GHSA-vwc3-c4q3-5mvm.