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TI-2026-39041 Aliases CVE-2026-54117GHSA-hx3c-jrf3-3m7r

Microsoft SQL Server Remote Code Execution Vulnerability

Priority MEDIUM 46CWE-502Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Microsoft. Impact type from Microsoft.

Summary

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

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01532 74th percentileScored 2026-11-07
Fix Fixed Microsoft: 2 updates

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
MicrosoftMicrosoft SQL Server 2025 (CU 6)17.0.4060.2 to before 17.0.4060.217.0.4060.2Patch availableCNA
MicrosoftMicrosoft SQL Server 2025 for x64-based Systems (GDR)17.0.1050.2 to before 17.0.1125.217.0.1125.2Patch availableCNA
  • Microsoft SQL Server 2025 (CU 6) VendorMicrosoft Affected 17.0.4060.2 to before 17.0.4060.2 Fixed in 17.0.4060.2 Patch available CNA
  • Microsoft SQL Server 2025 for x64-based Systems (GDR) VendorMicrosoft Affected 17.0.1050.2 to before 17.0.1125.2 Fixed in 17.0.1125.2 Patch available CNA

CPE configurations NVD · 5

CPEVersionsRoleVendor
cpe:2.3:a:microsoft:sql_server_2016:*:*:*:*:*:*:x64:*13.0.6300.2 to before 13.0.6500.1; 13.0.7000.253 to before 13.0.7095.1VulnerableMicrosoft
cpe:2.3:a:microsoft:sql_server_2017:*:*:*:*:*:*:x64:*14.0.1000.169 to before 14.0.2120.1; 14.0.3006.16 to before 14.0.3540.1VulnerableMicrosoft
cpe:2.3:a:microsoft:sql_server_2019:*:*:*:*:*:*:x64:*15.0.2000.5 to before 15.0.2180.2; 15.0.4003.23 to before 15.0.4480.2VulnerableMicrosoft
cpe:2.3:a:microsoft:sql_server_2022:*:*:*:*:*:*:x64:*16.0.1000.6 to before 16.0.1190.2; 16.0.4003.1 to before 16.0.4262.2VulnerableMicrosoft
cpe:2.3:a:microsoft:sql_server_2025:*:*:*:*:*:*:x64:*17.0.1000.7 to before 17.0.1125.2; 17.0.4006.2 to before 17.0.4060.2VulnerableMicrosoft
  • cpe:2.3:a:microsoft:sql_server_2016:*:*:*:*:*:*:x64:* Versions 13.0.6300.2 to before 13.0.6500.1; 13.0.7000.253 to before 13.0.7095.1 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:sql_server_2017:*:*:*:*:*:*:x64:* Versions 14.0.1000.169 to before 14.0.2120.1; 14.0.3006.16 to before 14.0.3540.1 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:sql_server_2019:*:*:*:*:*:*:x64:* Versions 15.0.2000.5 to before 15.0.2180.2; 15.0.4003.23 to before 15.0.4480.2 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:sql_server_2022:*:*:*:*:*:*:x64:* Versions 16.0.1000.6 to before 16.0.1190.2; 16.0.4003.1 to before 16.0.4262.2 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:sql_server_2025:*:*:*:*:*:*:x64:* Versions 17.0.1000.7 to before 17.0.1125.2; 17.0.4006.2 to before 17.0.4060.2 Vulnerable ·Microsoft

Remediation

Microsoft 2 updates

  • KB5102333
    Security Update
    • Microsoft SQL Server 2025 for x64-based Systems (GDR) 17.0.1125.2
  • KB5101346
    Security Update
    • Microsoft SQL Server 2025 for x64-based Systems (CU6) 17.0.4060.2

Vendor assessments

Microsoft

Microsoft's page for this CVE →

Impact
Remote Code Execution
Exploited
No
Publicly disclosed
No
Exploitability
Exploitation Less Likely

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-54117
  2. 2026-10-03 Alias added: GHSA-hx3c-jrf3-3m7r

References

Patch 1

  • TI-2019-00798 Improper input validation in Microsoft SQL Server 2014 Service Pack 2 for 32-bit Systems KEVCVSS 3.1HIGH 8.8
  • TI-2025-31689 Microsoft SQL Server Information Disclosure Vulnerability CVSS 3.1HIGH 7.5
  • TI-2026-39042 Microsoft SQL Server Remote Code Execution Vulnerability CVSS 3.1CRITICAL 9.8
  • TI-2024-25283 Microsoft SQL Server Elevation of Privilege Vulnerability CVSS 3.1CRITICAL 9.8
  • TI-2024-24853 Microsoft SQL Server Elevation of Privilege Vulnerability CVSS 3.1CRITICAL 9.8
  • TI-2025-18677 Microsoft SQL Server Elevation of Privilege Vulnerability CVSS 3.1HIGH 8.8
See all 99 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences