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Critical 9.8Published Jul 14, 2026
CVE-2026-54117Microsoft SQL Server Remote Code Execution Vulnerability
Updated under an hour ago ()
Does this affect you?
It affects Microsoft SQL Server 2025 (CU 6) and 6 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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Deserialization of untrusted data in SQL Server allows an unauthorized attacker to execute code over a network.
- CVSS
- 9.8 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
- Weakness (CWE)
- CWE-502
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- microsoft
- NVD analysis
- Undergoing Analysis
- Record last updated
- Oct 8, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Microsoft Microsoft SQL Server 2025 (CU 6) microsoft:sql_server_2025_cu_6 (from the name) | from 17.0.4060.2 before 17.0.4060.2 | CNA record |
Microsoft Microsoft SQL Server 2025 for x64-based Systems (GDR) microsoft:sql_server_2025_for_x64_based_systems_gdr (from the name) | from 17.0.1050.2 before 17.0.1125.2 | CNA record |
microsoft sql_server_2016 microsoft:sql_server_2016 | from 13.0.6300.2 before 13.0.6500.1; from 13.0.7000.253 before 13.0.7095.1 | NVD |
microsoft sql_server_2017 microsoft:sql_server_2017 | from 14.0.1000.169 before 14.0.2120.1; from 14.0.3006.16 before 14.0.3540.1 | NVD |
microsoft sql_server_2019 microsoft:sql_server_2019 | from 15.0.2000.5 before 15.0.2180.2; from 15.0.4003.23 before 15.0.4480.2 | NVD |
microsoft sql_server_2022 microsoft:sql_server_2022 | from 16.0.1000.6 before 16.0.1190.2; from 16.0.4003.1 before 16.0.4262.2 | NVD |
microsoft sql_server_2025 microsoft:sql_server_2025 | from 17.0.1000.7 before 17.0.1125.2; from 17.0.4006.2 before 17.0.4060.2 | NVD |
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-54117vendor-advisory, patch
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.