CVE-2025-59284 Windows NTLM Spoofing Vulnerability
An unauthorized local attacker can exploit Windows NTLM to expose sensitive information and perform spoofing, requiring a security patch.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-59284?
CVE-2025-59284 is a low-severity vulnerability in Microsoft Windows 11 22h2, published on 14 Oct 2025. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Exposure of sensitive information to an unauthorized actor in Windows NTLM allows an unauthorized attacker to perform spoofing locally.
Weakness: CWE-200
Which versions are affected by CVE-2025-59284?
It affects 5 products.
Products include Microsoft Windows 11 22h2, Microsoft Windows 11 23h2, Microsoft Windows 11 24h2, Microsoft Windows 11 25h2, Microsoft Windows Server 2025.
How do I fix CVE-2025-59284?
No fix has been published for CVE-2025-59284 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-59284 being exploited?
There is no known exploitation of CVE-2025-59284 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in Microsoft Windows 11 22h2
- CVE-2024-49117 Windows Hyper-V Remote Code Execution Vulnerability
- CVE-2024-21435 Windows OLE Remote Code Execution Vulnerability
- CVE-2025-24084 Windows Subsystem for Linux (WSL2) Kernel Remote Code Execution Vulnerability
- CVE-2025-33054 Remote Desktop Spoofing Vulnerability
- CVE-2025-29828 Windows Schannel Remote Code Execution Vulnerability
Sources
Also known as GHSA-r7mr-x282-4wjx.