Vulnerability Intelligence Report
Microsoft SQL Server Remote Code Execution Vulnerability
CVE-2026-54117
Deserialization of untrusted data in SQL Server allows an unauthorized attacker to execute code over a network.
Deserialization
No Active Exploit Signals
CVSS Base Score
9.8
CRITICAL
Exploitability:3.9
Impact Score:5.9
EPSS Probability:1.53%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-502 ↗CWE-502: Deserialization of Untrusted Data
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Microsoft | Microsoft SQL Server 2025 (CU 6) | 17.0.4060.2 < 17.0.4060.2 (affected) |
| Microsoft | Microsoft SQL Server 2025 for x64-based Systems (GDR) | 17.0.1050.2 < 17.0.1125.2 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Microsoft Corporation · Vendor · USA |
| Reserved | 2026-06-11T20:33:37 |
| Published | 2026-07-14T17:05:04 |
| Patch Date | 2026-07-14 |
| Last Updated | 2026-09-25T18:20:23 |
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