CVE-2026-67383: CWE-209: Generation of Error Message Containing Sensitive Information in Microsoft Microsoft SQL Server 2025 (CU8)
Description
CVE-2026-67383 is a vulnerability in Microsoft SQL Server 2025 (CU8) where error messages generated by the system may contain sensitive information. This flaw allows an authorized attacker with network access to disclose sensitive data through these error messages. The issue affects specific builds of SQL Server 2025 and has a medium severity rating. An official fix is available from Microsoft.
CVSS v3.1
Score 6.5medium
Affected software
Microsoft
Microsoft SQL Server 2025 (CU8)
Microsoft
Microsoft SQL Server 2025 for x64-based Systems (GDR)
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability identified as CVE-2026-67383 involves the generation of error messages in Microsoft SQL Server 2025 (CU8) that contain sensitive information. This information disclosure occurs when an authorized attacker triggers error messages that reveal data over the network. The affected versions include builds from 17.0.0.0 up to but not including 17.0.4085.5 and from 17.0.1050.2 up to but not including 17.0.1135.8. The CVSS v3.1 base score is 6.5, indicating a medium severity level. Microsoft has issued an official fix for this vulnerability.
Potential Impact
An authorized attacker with network access can exploit this vulnerability to obtain sensitive information from error messages generated by SQL Server 2025. This disclosure could aid in further attacks or information gathering but does not impact integrity or availability.
Mitigation Recommendations
An official fix is available from Microsoft. Users should apply the provided patches to affected versions of Microsoft SQL Server 2025 (CU8) as detailed in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-67383.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-07-29T14:57:03.841Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-67383","vendor":"Microsoft"}]
Threat ID: 6aa044cbacd9273b49fa7b58
Added to database: 09/08/2026, 17:24:27 UTC
Last enriched: 10/16/2026, 20:50:55 UTC
Last updated: 10/23/2026, 15:10:14 UTC
Views: 47
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