CVE-2026-67626: CWE-400: Uncontrolled Resource Consumption in Microsoft Microsoft SQL Server 2022 (GDR)
Description
Uncontrolled resource consumption in SQL Server allows an authorized attacker to deny service over a network.
CVSS v3.1
Score 6.5medium
Affected software
Microsoft
Microsoft SQL Server 2022 (GDR)
Microsoft
Microsoft SQL Server 2022 for x64-based Systems (CU27)
Microsoft
Microsoft SQL Server 2025 for x64-based Systems (CU9)
Microsoft
Microsoft SQL Server 2025 for x64-based Systems (GDR)
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, identified as CWE-400, involves uncontrolled resource consumption in Microsoft SQL Server 2022 (GDR). An authorized attacker can exploit this flaw to cause a denial of service condition over the network by exhausting system resources. The vulnerability affects several specific version ranges of SQL Server 2022 as detailed in the affectedVersions field. Microsoft has published an official fix to address this issue.
Potential Impact
Exploitation of this vulnerability can lead to denial of service (DoS) conditions by consuming excessive resources on the affected SQL Server, potentially disrupting availability. There is no impact on confidentiality or integrity reported. The attack requires network access and privileges on the system.
Mitigation Recommendations
An official fix is available from Microsoft. Users should apply the security updates provided by Microsoft for the affected versions of SQL Server 2022 as detailed in the vendor advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-67626. No additional mitigation steps are indicated by the vendor.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-07-29T22:49:19.795Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-67626","vendor":"Microsoft"}]
Threat ID: 6ace9d312cdf04f656af1d96
Added to database: 10/13/2026, 21:05:53 UTC
Last enriched: 10/13/2026, 21:19:15 UTC
Last updated: 10/13/2026, 22:50:42 UTC
Views: 4
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