CVE-2026-73029 Microsoft SQL Server Information Disclosure Vulnerability

Medium 6.5 Published Updated

An authorized attacker can exploit a buffer over-read 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-2026-73029?

CVE-2026-73029 is a medium-severity vulnerability in Microsoft Sql Server 2019, published on 8 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Buffer over-read in SQL Server allows an authorized attacker to disclose information over a network.

Weakness: CWE-126

Which versions are affected by CVE-2026-73029?

It affects 3 products.

Products include Microsoft Sql Server 2019, Microsoft Sql Server 2022, Microsoft Sql Server 2025.

How do I fix CVE-2026-73029?

No fix has been published for CVE-2026-73029 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-73029 being exploited?

There is no known exploitation of CVE-2026-73029 in the wild and no public exploit code.

All Microsoft Sql Server 2019 vulnerabilities

Sources

Also known as GHSA-rw49-qwx8-9x7q.

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