TI-2018-05979 Aliases CVE-2018-8273 GHSA-xq9g-9hx4-3c38

Out-of-bounds write in Microsoft SQL Server

HIGH 66CWE-787Published 2018-08-15 · Updated 2024-08-05

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.

Summary

A buffer overflow vulnerability exists in the Microsoft SQL Server that could allow remote code execution on an affected system, aka "Microsoft SQL Server Remote Code Execution Vulnerability." This affects Microsoft SQL Server.

Why it matters now

EPSS 0.31157 98th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Microsoft	Microsoft SQL Server	2016 for x64-based Systems Service Pack 1; 2016 for x64-based Systems Service Pack 1 (CU); 2016 for x64-based Systems Service Pack 2; 2016 for x64-based Systems Service Pack 2 (CU); 2017 for x64-based Systems; 2017 for x64-based Systems (CU)	—	No fix listed	CNA

Microsoft SQL Server VendorMicrosoft Affected 2016 for x64-based Systems Service Pack 1; 2016 for x64-based Systems Service Pack 1 (CU); 2016 for x64-based Systems Service Pack 2; 2016 for x64-based Systems Service Pack 2 (CU); 2017 for x64-based Systems; 2017 for x64-based Systems (CU) Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPE	Versions	Role	Vendor
cpe:2.3:o:microsoft:sql_server:2016:sp1:::::x64:*	2016 sp1	Vulnerable	Microsoft
cpe:2.3:o:microsoft:sql_server:2016:sp2:::::x64:*	2016 sp2	Vulnerable	Microsoft
cpe:2.3:o:microsoft:sql_server:2017::::::x64:	2017	Vulnerable	Microsoft

cpe:2.3:o:microsoft:sql_server:2016:sp1:*:*:*:*:x64:* Versions 2016 sp1 Vulnerable ·Microsoft
cpe:2.3:o:microsoft:sql_server:2016:sp2:*:*:*:*:x64:* Versions 2016 sp2 Vulnerable ·Microsoft
cpe:2.3:o:microsoft:sql_server:2017:*:*:*:*:*:x64:* Versions 2017 Vulnerable ·Microsoft

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2018-8273
2026-10-03 Alias added: GHSA-xq9g-9hx4-3c38

References

Patch 1

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8273

TI-2020-00595 Deserialization of untrusted data in Microsoft SQL Server KEVCVSS 3.1CRITICAL 9.8
TI-2019-00798 Improper input validation in Microsoft SQL Server 2014 Service Pack 2 for 32-bit Systems KEVCVSS 3.1HIGH 8.8
TI-2012-01640 The TabStrip ActiveX control in the Common Controls in MSCOMCTL.OCX in Microsoft Office… KEVCVSS 3.1HIGH 8.8
TI-2008-05156 Heap-based buffer overflow in Microsoft SQL Server 2000 SP4, 8.00.2050, 8.00.2039, and… CVSS 2.0HIGH 9.0
TI-2008-00076 Buffer overflow in the convert function in Microsoft SQL Server 2000 SP4, 2000 Desktop… CVSS 2.0HIGH 9.0
TI-2002-00627 Multiple buffer overflows in the Resolution Service for Microsoft SQL Server 2000 and… CVSS 2.0HIGH 7.5

See all 107 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences