CVE-2018-8273

Microsoft SQL Server Remote Code Execution Vulnerability

CVE-2018-8273 is fixed in 6 products on 1 platform, first by KB4293808, released August 20, 2018. It is not reported as exploited. Patch Radar priority: Urgent.

Urgent
CVSS
n/a
Critical
Exploitation
None reported
Exploitation Less Likely
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.3116
98th percentile

<p>A buffer overflow vulnerability exists in the Microsoft SQL Server that could allow remote code execution on an affected system. An attacker who successfully exploited this vulnerability could execute code in the context of the SQL Server Database Engine service account.</p> <p>To exploit the vulnerability, an attacker would need to submit a specially crafted query to an affected SQL server.</p> <p>The security update addresses the vulnerability by modifying how the Microsoft SQL Server Database Engine handles objects in memory.</p>

Where it's fixed

ProductFixed inFixReleased
Microsoft
Microsoft SQL Server 2016 for x64-based Systems Service Pack 1 (CU) KB4293808 Aug 20, 2018
Microsoft SQL Server 2016 for x64-based Systems Service Pack 1 (GDR) KB4458842 Aug 20, 2018
Microsoft SQL Server 2016 for x64-based Systems Service Pack 2 (CU) KB4458621 Aug 20, 2018
Microsoft SQL Server 2016 for x64-based Systems Service Pack 2 (GDR) KB4293802 Aug 20, 2018
Microsoft SQL Server 2017 for x64-based Systems (CU) KB4293805 Aug 20, 2018
Microsoft SQL Server 2017 for x64-based Systems (GDR) KB4293803 Aug 20, 2018