CVE-2026-67628: CWE-125: Out-of-bounds Read in Microsoft Microsoft SQL Server 2017 (GDR)
Description
Out-of-bounds read in SQL Server allows an authorized attacker to disclose information over a network.
CVSS v3.1
Score 4.9medium
Affected software
Microsoft
Microsoft SQL Server 2017 (GDR)
Microsoft
Microsoft SQL Server 2017 for x64-based Systems (CU31)
Microsoft
Microsoft SQL Server 2019 (GDR)
Microsoft
Microsoft SQL Server 2019 for x64-based Systems (CU32)
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 (CWE-125) involves an out-of-bounds read in Microsoft SQL Server 2017 (GDR) and related versions, which can be exploited by an authorized attacker to disclose sensitive information over a network. The CVSS 3.1 vector indicates network attack vector, low attack complexity, high privileges required, no user interaction, unchanged scope, high confidentiality impact, and no impact on integrity or availability. Multiple version ranges of SQL Server 2017 and later are affected, with official patches released to address the issue.
Potential Impact
An authorized attacker with high privileges can exploit this vulnerability remotely to read memory outside the intended bounds, potentially disclosing sensitive information. There is no impact on data integrity or availability. The vulnerability does not require user interaction and affects confidentiality only.
Mitigation Recommendations
Microsoft has released official patches to address this vulnerability. Users should apply the updates provided in the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-67628 to remediate this issue.
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-2026-67628","vendor":"Microsoft"}]
Threat ID: 6ace9d312cdf04f656af1d97
Added to database: 10/13/2026, 21:05:53 UTC
Last enriched: 10/13/2026, 21:19:11 UTC
Last updated: 10/13/2026, 22:50:42 UTC
Views: 3
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