Out-of-bounds read in Microsoft SQL Server - CVE-2026-67645
Published: September 9, 2026
Vulnerability identifier: #VU148396
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-2026-67645
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to disclose sensitive information.
The vulnerability exists due to an out-of-bounds read in SQL Server when processing network requests. A remote user can trigger the out-of-bounds read to disclose sensitive information.
Successfully exploiting the vulnerability could allow portions of process memory to be read.
Affected software
Microsoft SQL Server
How to mitigate CVE-2026-67645
Install security update from vendor's website.
Microsoft SQL Server - addressed in versions 14.0.2130.4, 14.0.3550.4, 15.0.2190.7, 15.0.4490.9, 16.0.1200.5, 16.0.4275.2, 17.0.1135.8, 17.0.4085.5