CVE-2026-54118: Microsoft SQL Server Remote Code Execution Vulnerability
This Microsoft advisory covers CVE-2026-54118 in Microsoft SQL Server 2016, Microsoft SQL Server 2019 and Microsoft SQL Server 2022.
- CVE-2026-54118
Key facts
- Vendor rating
- Critical, CVSS 9.8
- CISA KEV
- Not listed (catalogue checked )
- Affected
- Microsoft SQL Server 2016 Service Pack 3 (GDR) 13.0.0; Microsoft SQL Server 2016 Service Pack 3 Azure Connect Feature Pack 13.0.0; Microsoft SQL Server 2017 (CU 31) 14.0.0 and 7 more below
- Fixed in
- KB5102339 (build 13.0.7095.1), KB5102336 (build 15.0.2180.2), KB5102334 (build 16.0.1190.2) and 5 more below
- Source published
- Source revised
- Listed by VulniPulse
Compiled by VulniPulse from the linked sources. How records are collected and checked.
Affected products & platforms
Description
Microsoft SQL Server Remote Code Execution Vulnerability
Affected products named by the advisory: Microsoft SQL Server 2016; Microsoft SQL Server 2019; Microsoft SQL Server 2022; Microsoft SQL Server 2017; and 1 more.
Affected products named by the advisory: Microsoft SQL Server 2025.
Text from the source record.
- Microsoft SQL Server 2016 Service Pack 3 (GDR) 13.0.0
- Microsoft SQL Server 2016 Service Pack 3 Azure Connect Feature Pack 13.0.0
- Microsoft SQL Server 2017 (CU 31) 14.0.0
- Microsoft SQL Server 2017 (GDR) 14.0.0
- Microsoft SQL Server 2019 (CU 32) 15.0.0.0
- Microsoft SQL Server 2019 (GDR) 15.0.0
- Microsoft SQL Server 2022 (GDR) 16.0.0
- Microsoft SQL Server 2022 for x64-based Systems (CU 25) 16.0.4260.1
- Microsoft SQL Server 2025 (CU 6) 17.0.4060.2
- Microsoft SQL Server 2025 for x64-based Systems (GDR) 17.0.1050.2
Official advisory · high-confidence parse· fetched ·verify at source
How to fix CVE-2026-54118
Upgrade to a fixed release named by Microsoft:
- KB5102339 (build 13.0.7095.1)
- KB5102336 (build 15.0.2180.2)
- KB5102334 (build 16.0.1190.2)
- KB5102337 (build 14.0.3540.1)
- KB5102335 (build 15.0.4480.2)
- KB5101347 (build 16.0.4262.2)
- KB5102333 (build 17.0.1125.2)
- KB5101346 (build 17.0.4060.2)
Vendor guidance
- Install the applicable security update for your platform: KB5102339, KB5102336, KB5102334, KB5102337, KB5102335, KB5101347 (see the Microsoft Update Catalog).
Support dates for the fixed release lines
- Microsoft SQL Server 13.0: support ended
- Microsoft SQL Server 15.0: support ends
- Microsoft SQL Server 16.0: support ends
- Microsoft SQL Server 14.0: support ends
- Microsoft SQL Server 17.0: support ends
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Microsoft Server advisories, July 2026All Microsoft Server advisories
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