by Kastro
Paper/Archive/CVE-2026-54118

CVE-2026-54118

Microsoft Microsoft SQL Server 2016 Service Pack 3 (GDR) — Microsoft SQL Server Remote Code Execution Vulnerability

EPSS 2%CVSS 9.8
critical.is priorityof 100
44
CVSS 9.8 (CNA)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 74.7.747 × 2014.9No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

Deserialization of untrusted data in SQL Server allows an unauthorized attacker to execute code over a network.

Affected

ProductAffectedFixed inSource
Microsoft SQL Server 2016 Service Pack 3 (GDR)13.0.0 – < 13.0.6500.113.0.6500.1CNA
Microsoft SQL Server 2016 Service Pack 3 Azure Connect Feature Pack13.0.0 – < 13.0.7095.113.0.7095.1CNA
Microsoft SQL Server 2017 (CU 31)14.0.0 – < 14.0.3540.114.0.3540.1CNA
Microsoft SQL Server 2017 (GDR)14.0.0 – < 14.0.2120.114.0.2120.1CNA
Microsoft SQL Server 2019 (CU 32)15.0.0.0 – < 15.0.4480.215.0.4480.2CNA
Microsoft SQL Server 2019 (GDR)15.0.0 – < 15.0.2180.215.0.2180.2CNA
Microsoft SQL Server 2022 (GDR)16.0.0 – < 16.0.1190.216.0.1190.2CNA
Microsoft SQL Server 2022 for x64-based Systems (CU 25)16.0.4260.1 – < 16.0.4262.216.0.4262.2CNA
Microsoft SQL Server 2025 (CU 6)17.0.4060.2 – < 17.0.4060.217.0.4060.2CNA
Microsoft SQL Server 2025 for x64-based Systems (GDR)17.0.1050.2 – < 17.0.1125.217.0.1125.2CNA

Scores by source

microsoft (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: total

References

patchmsrc.microsoft.com/update-guide/vulnerability/CVE-2026-54118