CVE-2023-35643 DHCP Server Service Information Disclosure Vulnerability
An attacker can exploit a buffer over-read in the Windows Server DHCP service 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-2023-35643?
CVE-2023-35643 is a high-severity vulnerability in Microsoft Windows Server 2012, published on 12 Dec 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
DHCP Server Service Information Disclosure Vulnerability
Weakness: CWE-126
Which versions are affected by CVE-2023-35643?
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-2023-35643?
No fix has been published for CVE-2023-35643 yet. Limit exposure of the affected software until one is available.
Is CVE-2023-35643 being exploited?
There is no known exploitation of CVE-2023-35643 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-8vrm-g5r7-f2c7.