Vulnerability details
CVE-2026-116945
Microsoft SQL Server
Microsoft SQL Server Remote Code Execution Vulnerability
CVSS 3.1
9.8Critical
Remedy
Versions not listed as affected in the CVE record:
- Microsoft SQL Server 2017 (GDR) — version 14.0.2150.2 and later
- Microsoft SQL Server 2017 for x64-based Systems (CU31) — version 14.0.3570.2 and later
- Microsoft SQL Server 2019 (GDR) — version 15.0.2210.4 and later
- Microsoft SQL Server 2019 for x64-based Systems (CU32) — version 15.0.4510.2 and later
- Microsoft SQL Server 2022 (GDR) — version 16.0.1220.3 and later
- Microsoft SQL Server 2022 for x64-based Systems (CU27) — version 16.0.4315.2 and later
Official description
Heap-based buffer overflow in SQL Server allows an unauthorized attacker to execute code over a network.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 9.8Critical | 3.1 | CVEProject cvelistV5 (CNA) (microsoft) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Microsoft | Microsoft SQL Server 2017 (GDR) | 14.0.0 ≤ v < 14.0.2150.2 | CVEProject cvelistV5 (CNA) |
| Microsoft | Microsoft SQL Server 2017 for x64-based Systems (CU31) | 14.0.3006.16 ≤ v < 14.0.3570.2 | CVEProject cvelistV5 (CNA) |
| Microsoft | Microsoft SQL Server 2019 (GDR) | 15.0.0 ≤ v < 15.0.2210.4 | CVEProject cvelistV5 (CNA) |
| Microsoft | Microsoft SQL Server 2019 for x64-based Systems (CU32) | 15.0.4003.23 ≤ v < 15.0.4510.2 | CVEProject cvelistV5 (CNA) |
| Microsoft | Microsoft SQL Server 2022 (GDR) | 16.0.0 ≤ v < 16.0.1220.3 | CVEProject cvelistV5 (CNA) |
| Microsoft | Microsoft SQL Server 2022 for x64-based Systems (CU27) | 16.0.4003.1 ≤ v < 16.0.4315.2 | CVEProject cvelistV5 (CNA) |
| Microsoft | Microsoft SQL Server 2025 CU10 | 17.0.4006.0 ≤ v < 17.0.5045.3 | CVEProject cvelistV5 (CNA) |
| Microsoft | Microsoft SQL Server 2025 for x64-based Systems (GDR) | 17.0.1050.2 ≤ v < 17.0.1155.3 | CVEProject cvelistV5 (CNA) |
References and advisories
1- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-116945 vendor-advisorypatch
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Details
- Published
- 2026-11-10
- Last updated
- 2026-11-13
- State
- Published
- Assigner (CNA)
- microsoft
- Kolun priority
- 42 · Medium
Exploit prediction (EPSS)
1.17%
Probability of exploitation in 30 days
67.9%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- Yes
- Exploitation
- None
- Technical impact
- Total
Weaknesses (CWE)
- CWE-122Heap-based Buffer Overflow