by Kastro
Paper/Archive/CVE-2026-54117

CVE-2026-54117

Microsoft Microsoft SQL Server 2025 (CU 6) — 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 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-2026-54117