CVE-2026-67643: critical vulnerability in Microsoft SQL Server 2022 (CU 26)
Microsoft SQL Server Remote Code Execution Vulnerability
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
28Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 9.8epss 1.0%
Heap-based buffer overflow in SQL Server allows an unauthorized attacker to execute code over a network.
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
Affected products
Microsoft · Microsoft SQL Server 2022 (CU 26)Microsoft · Microsoft SQL Server 2022 (GDR)Microsoft · Microsoft SQL Server 2025 (CU8)Microsoft · Microsoft SQL Server 2025 for x64-based Systems (GDR)Related CVEs — Microsoft SQL Server 2022 (CU 26)
In the same product, most dangerous first.
CVE-2025-49719HIGHMicrosoft SQL Server Information Disclosure VulnerabilityEPSS 15.5%CVE-2025-49718HIGHMicrosoft SQL Server Information Disclosure VulnerabilityEPSS 3.9%CVE-2024-28910HIGHMicrosoft OLE DB Driver for SQL Server Remote Code Execution VulnerabilityEPSS 2.8%CVE-2024-29985HIGHMicrosoft OLE DB Driver for SQL Server Remote Code Execution VulnerabilityEPSS 2.4%CVE-2024-28934HIGHMicrosoft ODBC Driver for SQL Server Remote Code Execution VulnerabilityEPSS 2.4%CVE-2024-28933HIGHMicrosoft ODBC Driver for SQL Server Remote Code Execution VulnerabilityEPSS 2.4%