CVE-2023-28247 Windows Network File System Information Disclosure Vulnerability
An attacker can exploit an integer underflow in Windows Network File System to disclose sensitive information.
- 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-2023-28247?
CVE-2023-28247 is a high-severity vulnerability in Microsoft Windows Server 2012, published on 11 Apr 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Windows Network File System Information Disclosure Vulnerability
Weakness: CWE-191
Which versions are affected by CVE-2023-28247?
It affects 4 products.
Products include Microsoft Windows Server 2012, Microsoft Windows Server 2016, Microsoft Windows Server 2019, Microsoft Windows Server 2022.
How do I fix CVE-2023-28247?
No fix has been published for CVE-2023-28247 yet. Limit exposure of the affected software until one is available.
Is CVE-2023-28247 being exploited?
There is no known exploitation of CVE-2023-28247 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Windows Server 2012
- CVE-2025-59287 Microsoft Windows Server Update Service (WSUS) Deserialization of Untrusted Data
- CVE-2026-69595 Windows Services for NFS ONCRPC XDR Driver Remote Code Execution Vulnerability
- CVE-2026-78445 Windows Services for NFS ONCRPC XDR Driver Remote Code Execution Vulnerability
- CVE-2026-41089 Windows Netlogon Remote Code Execution Vulnerability
- CVE-2024-43639 Windows KDC Proxy Remote Code Execution Vulnerability
Sources
Also known as GHSA-jwh5-4rp3-v546.