High severity8.8NVD Advisory· Published Sep 8, 2026· Updated Sep 15, 2026
CVE-2026-67642
CVE-2026-67642
Description
Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code over a network.
Affected products
1Patches
Vulnerability mechanics
References
1- msrc.microsoft.com/update-guide/vulnerability/CVE-2026-67642nvdVendor 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