CVE tracker / CVE-2026-116931
CVE-2026-116931
CVE-2026-116931 is the Microsoft SQL Server Remote Code Execution Vulnerability. Microsoft rates it Important, CVSS 7.5. It is not in CISA's Known Exploited Vulnerabilities catalog. Published November 10, 2026.
Risk summary
HighRemote Code Execution
7.5
CVSS v3 base
High
Severity
Important
Microsoft's rating
Less Likely
Microsoft: exploitation
No
In CISA KEV
Microsoft describes it: “Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code over a network.”
How to fix it
Microsoft lists 8 affected products and the update that fixes each:
- KB5129299 · fixed build 17.0.5045.3
Microsoft SQL Server 2025 for x64-based Systems CU10 - KB5129300 · fixed build 16.0.4315.2
Microsoft SQL Server 2022 for x64-based Systems (CU27) - KB5132745 · fixed build 15.0.4510.2
Microsoft SQL Server 2019 for x64-based Systems (CU32) - KB5132746 · fixed build 14.0.3570.2
Microsoft SQL Server 2017 for x64-based Systems (CU31) - KB5132747 · fixed build 16.0.1220.3
Microsoft SQL Server 2022 for x64-based Systems (GDR) - KB5132748 · fixed build 17.0.1155.3
Microsoft SQL Server 2025 for x64-based Systems (GDR) - KB5132749 · fixed build 14.0.2150.2
Microsoft SQL Server 2017 for x64-based Systems (GDR) - KB5132751 · fixed build 15.0.2210.4
Microsoft SQL Server 2019 for x64-based Systems (GDR)
What Microsoft changed
- November 10, 2026: Information published.
Details
- Weakness
- CWE-122: Heap-based Buffer Overflow
- Publicly disclosed (Microsoft)
- No
- Exploited (Microsoft)
- No
- Known exploited (CISA KEV)
- Not listed
- Published
- November 10, 2026
- Last revised
- November 10, 2026
Get told when this changes
Senserva Watch emails Microsoft security and patch alerts when something moves: a new exploitation report, a revised fix, a known issue. Free, one email address.
References
From Microsoft, CISA, NVD and FIRST data; the Microsoft details were read when this page was opened. Check the references above before you act.