Microsoft security update for CVE-2026-66819 — Microsoft SQL Server
🔗 CVE IDs covered (1)
📋 Microsoft's advisory
EchelonGraph does not copy Microsoft's advisory page: its FAQ and remediation text are not shown here. Read the advisory on https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-66819. This page also shows what EchelonGraph holds for CVE-2026-66819, with the description from its CVE record, which the CVE Numbering Authority that assigned the CVE wrote: for a CVE Microsoft assigned, often in the words of Microsoft's own advisory.
🎯 Affected products8
- Microsoft SQL Server 2017 for x64-based Systems (CU 31)
- Microsoft SQL Server 2017 for x64-based Systems (GDR)
- Microsoft SQL Server 2019 for x64-based Systems (CU 32)
- Microsoft SQL Server 2019 for x64-based Systems (GDR)
- Microsoft SQL Server 2022 for x64-based Systems (CU 26)
- Microsoft SQL Server 2022 for x64-based Systems (GDR)
- Microsoft SQL Server 2025 for x64-based Systems (CU8)
- Microsoft SQL Server 2025 for x64-based Systems (GDR)
✅ Updates Microsoft lists: 8 updates
8 rows: one per KB article or update, update type and fixed build. Their details are on Microsoft's advisory.
| KB article | Update | Fixed build |
|---|---|---|
| — | Security Update | 14.0.2130.4 |
| — | Security Update | 15.0.2190.7 |
| — | Security Update | 14.0.3550.4 |
| — | Security Update | 16.0.1200.5 |
| — | Security Update | 17.0.1135.8 |
| — | Security Update | 15.0.4490.9 |
| — | Security Update | 16.0.4275.2 |
| — | Security Update | 17.0.4085.5 |
🧭 EchelonGraph on CVE-2026-66819
- EchelonGraph score
- 8.8 HIGH
- CISA KEV
- Not listed
- Fix status
- A fix is available — apply it.
Description from the CVE record (CVE.org), as published by its numbering authority
Improper neutralization of special elements used in an sql command ('sql injection') in SQL Server allows an authorized attacker to elevate privileges over a network.
Published by Microsoft Corporation, the CVE Numbering Authority that assigned CVE-2026-66819, in its CVE record at CVE.org; reused under the CVE Program's Terms of Use (its licence and MITRE's copyright notice are in our Terms of Service).
🔗 References (17)
- advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-66819
- patchhttps://www.microsoft.com/download/details.aspx?familyid=bd775fa7-3414-4aeb-9309-4e0b90d4d1ee
- referencehttps://support.microsoft.com/help/5122775
- patchhttps://www.microsoft.com/download/details.aspx?familyid=e668fe5f-ea1e-41fb-97f7-1bc12e91150b
- referencehttps://support.microsoft.com/help/5122773
- patchhttps://www.microsoft.com/download/details.aspx?familyid=a2440065-e61a-43ec-96a2-a5ee18f7fc19
- referencehttps://support.microsoft.com/help/5122774
- patchhttps://www.microsoft.com/download/details.aspx?familyid=7ce0ba48-9a1e-4298-b300-79f251385092
- referencehttps://support.microsoft.com/help/5122771
- patchhttps://www.microsoft.com/download/details.aspx?familyid=0d644af6-717c-45d7-bf71-ce7e309d2ad7
- referencehttps://support.microsoft.com/help/5122770
- patchhttps://www.microsoft.com/download/details.aspx?familyid=cee52a4a-832a-447e-909d-0f629cab835f
- referencehttps://support.microsoft.com/help/5122772
- patchhttps://www.microsoft.com/download/details.aspx?familyid=d682ec86-56e1-45c3-a0fa-552f89f6e51e
- referencehttps://support.microsoft.com/help/5122768
- patchhttps://www.microsoft.com/download/details.aspx?familyid=65b5f47b-53bf-4b54-89e7-6aefaad8dc51
- referencehttps://support.microsoft.com/help/5122769