Buffer overflow in Microsoft SQL Server - CVE-2019-1068
Published: July 10, 2019 / Updated: August 26, 2026
Vulnerability identifier: #VU19097
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-1068
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing functions in Microsoft SQL Server Database Engine. A remote attacker can submit a specially crafted SQL query, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
Microsoft SQL Server
How to mitigate CVE-2019-1068
Install updates from vendor's website.