XML external entity injection in Microsoft SQL Server Management Studio 17.9
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-611 and the CVSS impact.
Summary
An information disclosure vulnerability exists in Microsoft SQL Server Management Studio (SSMS) when parsing a malicious XEL file containing a reference to an external entity, aka "SQL Server Management Studio Information Disclosure Vulnerability." This affects SQL Server Management Studio 17.9, SQL Server Management Studio 18.0. This CVE ID is unique from CVE-2018-8532, CVE-2018-8533.
Why it matters now
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 | SQL Server Management Studio 17.9 | SQL Server Management Studio 17.9 | — | No fix listed | CNA |
| Microsoft | SQL Server Management Studio 18.0 | (Preview 4) | — | No fix listed | CNA |
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-8527
- 2026-10-03 Alias added: GHSA-gmwc-6m29-5hv6
References
More Microsoft Sql Server Management Studio vulnerabilities
- TI-2018-06197 XML external entity injection in Microsoft SQL Server Management Studio 17.9 CVSS 3.0MEDIUM 5.5
- TI-2018-06196 XML external entity injection in Microsoft SQL Server Management Studio 17.9 CVSS 3.0MEDIUM 5.5
- TI-2026-46814 Microsoft SQL Server Elevation of Privilege Vulnerability CVSS 3.1CRITICAL 9.6
- TI-2019-01088 Improper handling of exceptional conditions in Microsoft SQL Server Management Studio CVSS 3.1MEDIUM 6.5
- TI-2019-01027 Improper handling of exceptional conditions in Microsoft SQL Server Management Studio CVSS 3.1MEDIUM 6.5
- TI-2025-21211 Visual Studio Tools for Applications and SQL Server Management Studio Elevation of Privilege Vulnerability CVSS 3.1HIGH 7.3
Sources
- CVE-2018-8527 · CVE Program
- CVE-2018-8527 · NVD
- FIRST EPSS
- GHSA-gmwc-6m29-5hv6 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences