Vulnerability · Published Sep 8, 2026 · Assigned by microsoft

CVE-2026-67384Microsoft SQL Server Remote Code Execution Vulnerability

High 8.8

In plain English

A high-severity integer overflow in Microsoft SQL Server 2017 (CU 31) from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 60% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.9%top 39.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Integer overflow or wraparound in SQL Server allows an authorized attacker to execute code over a network.

Affected products (as reported)

VendorProductVersions
Microsoft Microsoft SQL Server 2017 (CU 31) 14.0.0 – before 14.0.3550.4
Microsoft Microsoft SQL Server 2017 (GDR) 14.0.0 – before 14.0.2130.4
Microsoft Microsoft SQL Server 2019 (CU 32) 15.0.0.0 – before 15.0.4490.9
Microsoft Microsoft SQL Server 2019 (GDR) 15.0.0 – before 15.0.2190.7
Microsoft Microsoft SQL Server 2022 (CU 26) 16.0.0.0 – before 16.0.4275.2
Microsoft Microsoft SQL Server 2022 (GDR) 16.0.0 – before 16.0.1200.5
Microsoft Microsoft SQL Server 2025 (CU8) 17.0.0.0 – before 17.0.4085.5
Microsoft Microsoft SQL Server 2025 for x64-based Systems (GDR) 17.0.1050.2 – before 17.0.1135.8

Weakness: CWE-190, CWE-122 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

References