CVE-2025-24999 Microsoft SQL Server Elevation of Privilege Vulnerability

High 8.8 Published 12 Aug 2025 Updated 26 Feb 2026

An authorized attacker can elevate privileges over the network due to improper access control in Microsoft SQL Server.

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-2025-24999?

CVE-2025-24999 is a high-severity vulnerability in Microsoft Sql Server 2016, published on 12 Aug 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Improper access control in SQL Server allows an authorized attacker to elevate privileges over a network.

Weakness: CWE-284

Which versions are affected by CVE-2025-24999?

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-2025-24999?

No fix has been published for CVE-2025-24999 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-24999 being exploited?

There is no known exploitation of CVE-2025-24999 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

All Microsoft Sql Server 2016 vulnerabilities

Sources

Also known as GHSA-g9qp-9hg6-hmp7.