CVE-2024-35271 SQL Server Native Client OLE DB Provider Remote Code Execution Vulnerability

High 8.8 Published 9 Jul 2024 Updated 9 Dec 2025

A heap-based buffer overflow in the SQL Server Native Client OLE DB Provider allows remote attackers to execute arbitrary code.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2024-35271?

CVE-2024-35271 is a high-severity memory corruption vulnerability in Microsoft Sql Server 2016, published on 9 Jul 2024. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

SQL Server Native Client OLE DB Provider Remote Code Execution Vulnerability

Weakness: CWE-122

Which versions are affected by CVE-2024-35271?

It affects 4 products.

Products include Microsoft Sql Server 2016, Microsoft Sql Server 2017, Microsoft Sql Server 2019, Microsoft Sql Server 2022.

How do I fix CVE-2024-35271?

No fix has been published for CVE-2024-35271 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2024-35271 being exploited?

There is no known exploitation of CVE-2024-35271 in the wild and no public exploit code.

All Microsoft Sql Server 2016 vulnerabilities

Sources

Also known as GHSA-m5w5-hgw3-8rfx.