6.5Medium

CVE-2026-67641Microsoft SQL Server Denial of Service Vulnerability

Microsoft Microsoft SQL Server 2022 (CU 26); Microsoft Microsoft SQL Server 2022 (GDR); Microsoft Microsoft SQL Server 2025 (CU8); Microsoft Microsoft SQL Serv… Published: (2 months ago)

Description

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

Weakness (CWE): CWE-190

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

VendorProductVersions
Microsoft Microsoft SQL Server 2022 (CU 26) 16.0.0.0 – < 16.0.4275.2
Microsoft Microsoft SQL Server 2022 (GDR) 16.0.0 – < 16.0.1200.5
Microsoft Microsoft SQL Server 2025 (CU8) 17.0.0.0 – < 17.0.4085.5
Microsoft Microsoft SQL Server 2025 for x64-based Systems (GDR) 17.0.1050.2 – < 17.0.1135.8
microsoft sql server 2022 16.0.0 – < 16.0.1200.5
microsoft sql server 2025 17.0.1050.2 – < 17.0.1135.8

References and patches

CPE matches (NVD) (4)

  • cpe:2.3:a:microsoft:sql_server_2022:*:*:*:*:*:*:x64:* < 16.0.1200.5
  • cpe:2.3:a:microsoft:sql_server_2022:*:*:*:*:*:*:x64:* ≥ 16.0.4003.1 < 16.0.4275.2
  • cpe:2.3:a:microsoft:sql_server_2025:*:*:*:*:*:*:x64:* < 17.0.1135.8
  • cpe:2.3:a:microsoft:sql_server_2025:*:*:*:*:*:*:x64:* ≥ 17.0.4006.2 < 17.0.4085.5