CVE-2026-47297 Microsoft SQL Server Remote Code Execution Vulnerability
An unauthorized attacker can execute arbitrary code over the network by exploiting a deserialization flaw in Microsoft SQL Server.
- 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-2026-47297?
CVE-2026-47297 is a high-severity unsafe deserialization vulnerability in Microsoft Sql Server 2019, published on 8 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Deserialization of untrusted data in SQL Server allows an unauthorized attacker to execute code over a network.
Weakness: CWE-502
Which versions are affected by CVE-2026-47297?
It affects 3 products.
Products include Microsoft Sql Server 2019, Microsoft Sql Server 2022, Microsoft Sql Server 2025.
How do I fix CVE-2026-47297?
No fix has been published for CVE-2026-47297 yet. Limit exposure of the affected software until one is available.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2026-47297 being exploited?
There is no known exploitation of CVE-2026-47297 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Sql Server 2019
- CVE-2026-67378 Microsoft SQL Server Remote Code Execution Vulnerability
- CVE-2026-67636 Microsoft SQL Server Remote Code Execution Vulnerability
- CVE-2026-77484 Microsoft SQL Server Remote Code Execution Vulnerability
- CVE-2024-29047 Microsoft OLE DB Driver for SQL Server Remote Code Execution Vulnerability
- CVE-2026-67379 Microsoft SQL Server Remote Code Execution Vulnerability
Sources
Also known as GHSA-rch5-r7w5-8fc5.