CVE-2023-38148 Internet Connection Sharing (ICS) Remote Code Execution Vulnerability
Attackers can execute arbitrary code on Windows systems by exploiting a stack-based buffer overflow in Internet Connection Sharing, requiring ICS to be enabled.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-38148?
CVE-2023-38148 is a high-severity memory corruption vulnerability in Microsoft Windows 10 21h2, published on 12 Sep 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Internet Connection Sharing (ICS) Remote Code Execution Vulnerability
Weakness: CWE-121
Which versions are affected by CVE-2023-38148?
It affects 4 products.
Products include Microsoft Windows 10 21h2, Microsoft Windows 10 22h2, Microsoft Windows 11 21h2, Microsoft Windows Server 2022.
How do I fix CVE-2023-38148?
No fix has been published for CVE-2023-38148 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-2023-38148 being exploited?
There is no known exploitation of CVE-2023-38148 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Windows 10 21h2
- CVE-2025-21333 Microsoft Windows Hyper-V NT Kernel Integration VSP Heap-based Buffer Overflow
- CVE-2025-21334 Microsoft Windows Hyper-V NT Kernel Integration VSP Use-After-Free
- CVE-2025-21335 Microsoft Windows Hyper-V NT Kernel Integration VSP Use-After-Free
- CVE-2026-42904 Windows TCP/IP Elevation of Privilege Vulnerability
- CVE-2026-105733 Windows Hyper-V Remote Code Execution Vulnerability
Sources
Also known as GHSA-jr98-q98r-q6vc.