CVE-2024-43447 Windows SMBv3 Server Remote Code Execution Vulnerability
An attacker can execute arbitrary code remotely on Windows Server via a double-free vulnerability in the SMBv3 server.
- 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-2024-43447?
CVE-2024-43447 is a high-severity memory corruption vulnerability in Microsoft Windows Server 2022, published on 12 Nov 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Windows SMBv3 Server Remote Code Execution Vulnerability
Weakness: CWE-415
Which versions are affected by CVE-2024-43447?
It affects 1 product.
Products include Microsoft Windows Server 2022.
How do I fix CVE-2024-43447?
No fix has been published for CVE-2024-43447 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-2024-43447 being exploited?
There is no known exploitation of CVE-2024-43447 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-qx56-hjgg-8xgm.