CVE-2025-50171 Remote Desktop Spoofing Vulnerability
An unauthorized attacker can perform spoofing attacks against the Remote Desktop Server due to missing authorization checks.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-50171?
CVE-2025-50171 is a critical missing authorization vulnerability in Microsoft Windows Server 2022, published on 12 Aug 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Missing authorization in Remote Desktop Server allows an unauthorized attacker to perform spoofing over a network.
Weakness: CWE-862
Which versions are affected by CVE-2025-50171?
It affects 3 products.
Products include Microsoft Windows Server 2022, Microsoft Windows Server 2022 23h2, Microsoft Windows Server 2025.
How do I fix CVE-2025-50171?
No fix has been published for CVE-2025-50171 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2025-50171 being exploited?
There is no known exploitation of CVE-2025-50171 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-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
- CVE-2026-69858 Windows DNS Server Remote Code Execution Vulnerability
Sources
Also known as GHSA-f3vj-5hwj-h699.