CVE-2023-35331 Windows Local Security Authority (LSA) Denial of Service Vulnerability
An attacker can cause a denial of service in the Windows Local Security Authority, affecting Windows Server systems.
- 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-2023-35331?
CVE-2023-35331 is a medium-severity denial of service vulnerability in Microsoft Windows Server 2012, published on 11 Jul 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Windows Local Security Authority (LSA) Denial of Service Vulnerability
Which versions are affected by CVE-2023-35331?
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-2023-35331?
No fix has been published for CVE-2023-35331 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2023-35331 being exploited?
There is no known exploitation of CVE-2023-35331 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-xc56-98rm-xc98.