Vulnerability details
CVE-2026-67376
Microsoft SQL Server
Microsoft SQL Server Denial of Service Vulnerability
CVSS 3.1
7.5High
Official description
Integer overflow or wraparound in SQL Server allows an unauthorized attacker to deny service over a network.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 7.5High | 3.1 | CVEProject cvelistV5 (CNA) (microsoft) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Microsoft | Microsoft SQL Server 2017 (CU 31) | 14.0.0 ≤ v < 14.0.3550.4 | CVEProject cvelistV5 (CNA) |
| Microsoft | Microsoft SQL Server 2017 (GDR) | 14.0.0 ≤ v < 14.0.2130.4 | CVEProject cvelistV5 (CNA) |
| Microsoft | Microsoft SQL Server 2019 (CU 32) | 15.0.0.0 ≤ v < 15.0.4490.9 | CVEProject cvelistV5 (CNA) |
| Microsoft | Microsoft SQL Server 2019 (GDR) | 15.0.0 ≤ v < 15.0.2190.7 | CVEProject cvelistV5 (CNA) |
| Microsoft | Microsoft SQL Server 2022 (CU 26) | 16.0.0.0 ≤ v < 16.0.4275.2 | CVEProject cvelistV5 (CNA) |
| Microsoft | Microsoft SQL Server 2022 (GDR) | 16.0.0 ≤ v < 16.0.1200.5 | CVEProject cvelistV5 (CNA) |
| Microsoft | Microsoft SQL Server 2025 (CU8) | 17.0.0.0 ≤ v < 17.0.4085.5 | CVEProject cvelistV5 (CNA) |
| Microsoft | Microsoft SQL Server 2025 for x64-based Systems (GDR) | 17.0.1050.2 ≤ v < 17.0.1135.8 | CVEProject cvelistV5 (CNA) |
References and advisories
1- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-67376 vendor-advisorypatch
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Details
- Published
- 2026-09-08
- Last updated
- 2026-10-31
- State
- Published
- Assigner (CNA)
- microsoft
Exploit prediction (EPSS)
1.17%
Probability of exploitation in 30 days
67.6%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- Yes
- Exploitation
- None
- Technical impact
- Partial
Weaknesses (CWE)
- CWE-190Integer Overflow or Wraparound