CVE-2026-73028: CWE-284: Improper Access Control in Microsoft Microsoft SQL Server 2017 (CU 31)
Improper access control in SQL Server allows an authorized attacker to elevate privileges over a network.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-73028) in Microsoft SQL Server 2017 (CU 31) is classified as CWE-284: Improper Access Control. It enables an attacker with some level of authorization to escalate privileges remotely over the network. The CVSS 3.1 vector indicates network attack vector, low attack complexity, privileges required, no user interaction, unchanged scope, and high impact on confidentiality, integrity, and availability. Microsoft has published an official fix for this vulnerability.
Potential Impact
An authorized attacker can exploit this vulnerability to elevate their privileges on the affected SQL Server instance remotely. This could lead to full compromise of the database server, including unauthorized access to sensitive data and potential disruption of services.
Mitigation Recommendations
An official fix is available from Microsoft. Users should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-73028 to remediate this vulnerability.
CVE-2026-73028: CWE-284: Improper Access Control in Microsoft Microsoft SQL Server 2017 (CU 31)
Description
Improper access control in SQL Server allows an authorized attacker to elevate privileges over a network.
CVSS v3.1
Score 8.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-73028) in Microsoft SQL Server 2017 (CU 31) is classified as CWE-284: Improper Access Control. It enables an attacker with some level of authorization to escalate privileges remotely over the network. The CVSS 3.1 vector indicates network attack vector, low attack complexity, privileges required, no user interaction, unchanged scope, and high impact on confidentiality, integrity, and availability. Microsoft has published an official fix for this vulnerability.
Potential Impact
An authorized attacker can exploit this vulnerability to elevate their privileges on the affected SQL Server instance remotely. This could lead to full compromise of the database server, including unauthorized access to sensitive data and potential disruption of services.
Mitigation Recommendations
An official fix is available from Microsoft. Users should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-73028 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-08-10T18:43:43.200Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-73028","vendor":"Microsoft"}]
Threat ID: 6aa04555acd9273b49fa9e9b
Added to database: 09/08/2026, 17:26:45 UTC
Last enriched: 09/08/2026, 22:37:21 UTC
Last updated: 09/08/2026, 23:53:30 UTC
Views: 2
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