Buffer over-read in Microsoft SQL Server - CVE-2026-73029
Published: September 9, 2026
Vulnerability identifier: #VU148411
CSH Severity: Low
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-73029
CWE-ID: CWE-126
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to disclose information.
The vulnerability exists due to a buffer over-read in Microsoft SQL Server when handling network requests. A remote user can send a crafted request to disclose information.
Successful exploitation could expose heap memory from a privileged process running on the server.
Affected software
Microsoft SQL Server
How to mitigate CVE-2026-73029
Install security update from vendor's website.
Microsoft SQL Server - addressed in versions 15.0.2190.7, 15.0.4490.9, 16.0.1200.5, 16.0.4275.2, 17.0.1135.8, 17.0.4085.5