High severity8.8NVD Advisory· Published Sep 8, 2026· Updated Sep 16, 2026
CVE-2026-67373
CVE-2026-67373
Description
Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code over a network.
Affected products
2cpe:2.3:a:microsoft:sql_server_2025:*:*:*:*:*:*:x64:*+ 1 more
- cpe:2.3:a:microsoft:sql_server_2025:*:*:*:*:*:*:x64:*range: <17.0.1135.8
- (no CPE)
Patches
Vulnerability mechanics
References
1- msrc.microsoft.com/update-guide/vulnerability/CVE-2026-67373nvdVendor AdvisoryPatch
News mentions
2- Patch Tuesday - September 2026Rapid7 Blog · Sep 8, 2026
- Massive Microsoft Patch Tuesday September 2026 – 973 Vulnerabilities Fixed, Including 2 Zero-DaysCyber Security News · Sep 8, 2026