CVE-2026-54116 Microsoft SQL Server Information Disclosure Vulnerability

Medium 6.5 Published 14 Jul 2026 Updated 28 Oct 2026

An authorized attacker can exploit a type confusion flaw in Microsoft SQL Server to disclose sensitive information over the network.

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-2026-54116?

CVE-2026-54116 is a medium-severity vulnerability in Microsoft Sql Server 2025, published on 14 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Access of resource using incompatible type ('type confusion') in SQL Server allows an authorized attacker to disclose information over a network.

Weakness: CWE-843

Which versions are affected by CVE-2026-54116?

It affects 1 product.

Products include Microsoft Sql Server 2025.

How do I fix CVE-2026-54116?

No fix has been published for CVE-2026-54116 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-54116 being exploited?

There is no known exploitation of CVE-2026-54116 in the wild and no public exploit code.

All Microsoft Sql Server 2025 vulnerabilities

Sources

Also known as GHSA-g4mf-v8c5-8rjm.