CVE-2024-26186 Microsoft SQL Server Native Scoring Remote Code Execution Vulnerability

High 8.8 Published 10 Sep 2024 Updated 10 Aug 2026

Attackers can execute arbitrary code on Microsoft SQL Server via a use-after-free vulnerability in Native Scoring.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2024-26186?

CVE-2024-26186 is a high-severity use after free vulnerability in Microsoft Sql Server 2016, published on 10 Sep 2024. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Microsoft SQL Server Native Scoring Remote Code Execution Vulnerability

Weakness: CWE-416

Which versions are affected by CVE-2024-26186?

It affects 5 products.

Products include Microsoft Sql 2016 Azure Connect Feature Pack, Microsoft Sql Server 2016, Microsoft Sql Server 2017, Microsoft Sql Server 2019, Microsoft Sql Server 2022.

How do I fix CVE-2024-26186?

No fix has been published for CVE-2024-26186 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2024-26186 being exploited?

There is no known exploitation of CVE-2024-26186 in the wild and no public exploit code.

All Microsoft Sql Server 2016 vulnerabilities

Sources

Also known as GHSA-xr4h-93hj-62q2.