CVE-2025-55339 Windows Network Driver Interface Specification (NDIS) Driver Elevation of Privilege Vulnerability
An out-of-bounds read in the Windows NDIS driver allows a local attacker to elevate privileges.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-55339?
CVE-2025-55339 is a high-severity memory corruption vulnerability in Microsoft Windows 11 22h2, published on 14 Oct 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Out-of-bounds read in Windows NDIS allows an authorized attacker to elevate privileges locally.
Weakness: CWE-125
Which versions are affected by CVE-2025-55339?
It affects 7 products.
Products include Microsoft Windows 11 22h2, Microsoft Windows 11 23h2, Microsoft Windows 11 24h2, Microsoft Windows 11 25h2, Microsoft Windows Server 2022, Microsoft Windows Server 2022 23h2 and 1 more.
How do I fix CVE-2025-55339?
No fix has been published for CVE-2025-55339 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2025-55339 being exploited?
There is no known exploitation of CVE-2025-55339 in the wild and no public exploit code.
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-6457-c7qm-8vwj.