Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
CVE-2026-54117
Microsoft SQL Server Remote Code Execution Vulnerability
AV AC PR UI S C I A CVSS EPSS %ile KEV
N L N N U H H H 9.8 .0153 73.9 —
AFFECTED
Product Versions Fixed
Microsoft SQL Server 2025 (CU 6) 17.0.4060.2 – —
Microsoft SQL Server 2025 for x64-based Systems (GDR) 17.0.1050.2 – —
TIMELINE
Jun 11 Reserved by microsoft
Jul 14 Published (CNA: microsoft)
Aug 20 RESCORED — CVE-2026-54117 (Microsoft SQL Server 2025 (CU 6)). CVSS 8.8 → 9.8 (NVD).
Description
Deserialization of untrusted data in SQL Server allows an unauthorized attacker to execute code over a network.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
|---|
| June 11, 2026 | Reserved | Reserved by microsoft |
| July 14, 2026 | Published | Published (CNA: microsoft) |
| August 20, 2026 | RESCORED | RESCORED — CVE-2026-54117 (Microsoft SQL Server 2025 (CU 6)). CVSS 8.8 → 9.8 (NVD). |
Affected
Affected products and packages — 2 rows
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|
| Microsoft | Microsoft SQL Server 2025 (CU 6) | — | 17.0.4060.2 | — |
| Microsoft | Microsoft SQL Server 2025 for x64-based Systems (GDR) | — | 17.0.1050.2 | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-54117 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.
