CVE-2023-36728 Microsoft SQL Server Denial of Service Vulnerability

Medium 5.5 Published 10 Oct 2023 Updated 14 Apr 2025

An out-of-bounds read vulnerability in Microsoft SQL Server allows attackers to cause a denial of service condition.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-36728?

CVE-2023-36728 is a medium-severity denial of service vulnerability in Microsoft Sql Server, published on 10 Oct 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Microsoft SQL Server Denial of Service Vulnerability

Weakness: CWE-125

Which versions are affected by CVE-2023-36728?

It affects 3 products.

Products include Microsoft Odbc Driver for Sql Server, Microsoft Ole Db Driver for Sql Server, Microsoft Sql Server.

How do I fix CVE-2023-36728?

No fix has been published for CVE-2023-36728 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-2023-36728 being exploited?

There is no known exploitation of CVE-2023-36728 in the wild and no public exploit code.

All Microsoft Sql Server vulnerabilities

Sources

Also known as GHSA-qqpc-cw23-65wv.