CVE-2026-33120: Microsoft SQL Server Remote Code Execution Vulnerability

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-04-14 · updated 2026-10-15
Weakness: CWE-822

Description

Untrusted pointer dereference in SQL Server allows an authorized attacker to execute code over a network.

Affected products

Microsoft Sql Server 2016: from 13.0.6300.2 before 13.0.6485.1; from 13.0.7000.253 before 13.0.7080.1 — fixed in 13.0.6485.1, 13.0.7080.1
Microsoft Sql Server 2017: from 14.0.1000.169 before 14.0.2105.1; from 14.0.3006.16 before 14.0.3525.1 — fixed in 14.0.2105.1, 14.0.3525.1
Microsoft Sql Server 2019: from 15.0.2000.5 before 15.0.2165.1; from 15.0.4003.23 before 15.0.4465.1 — fixed in 15.0.2165.1, 15.0.4465.1
Microsoft Sql Server 2022: from 16.0.1000.6 before 16.0.1175.1; from 16.0.4003.1 before 16.0.4250.1 — fixed in 16.0.1175.1, 16.0.4250.1
Microsoft Sql Server 2025: from 17.0.1000.7 before 17.0.1110.1; from 17.0.4006.2 before 17.0.4030.1 — fixed in 17.0.1110.1, 17.0.4030.1
Microsoft SQL Server 2022 (GDR): from 16.0.0 before 16.0.1175.1 — fixed in 16.0.1175.1

How to fix

Upgrade to a fixed version: Microsoft Sql Server 2016 13.0.6485.1, 13.0.7080.1; Microsoft Sql Server 2017 14.0.2105.1, 14.0.3525.1; Microsoft Sql Server 2019 15.0.2165.1, 15.0.4465.1; Microsoft Sql Server 2022 16.0.1175.1, 16.0.4250.1; Microsoft Sql Server 2025 17.0.1110.1, 17.0.4030.1; Microsoft SQL Server 2022 (GDR) 16.0.1175.1. Check the vendor advisory for mitigations.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33120

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