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High 8.8Published Sep 8, 2026
CVE-2026-77482Microsoft SQL Server Remote Code Execution Vulnerability
Updated under an hour ago ()
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It affects Microsoft SQL Server 2017 (CU 31) and 5 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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Heap-based buffer overflow in SQL Server allows an unauthorized attacker to execute code over a network.
- CVSS
- 8.8 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
- Weakness (CWE)
- CWE-122
- 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
- Analyzed
- Record last updated
- Oct 14, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Microsoft Microsoft SQL Server 2017 (CU 31) microsoft:sql_server_2017_cu_31 (from the name) | from 14.0.0 before 14.0.3550.4 | CNA record |
Microsoft Microsoft SQL Server 2017 (GDR) microsoft:sql_server_2017_gdr (from the name) | from 14.0.0 before 14.0.2130.4 | CNA record |
Microsoft Microsoft SQL Server 2019 (CU 32) microsoft:sql_server_2019_cu_32 (from the name) | from 15.0.0.0 before 15.0.4490.9 | CNA record |
Microsoft Microsoft SQL Server 2019 (GDR) microsoft:sql_server_2019_gdr (from the name) | from 15.0.0 before 15.0.2190.7 | CNA record |
microsoft sql_server_2017 microsoft:sql_server_2017 | before 14.0.2130.4; from 14.0.3006.16 before 14.0.3550.4 | NVD |
microsoft sql_server_2019 microsoft:sql_server_2019 | before 15.0.2190.7; from 15.0.4003.23 before 15.0.4490.9 | NVD |
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-77482vendor-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.