CVE-2026-67633 PUBLISHED

Microsoft SQL Server Denial of Service Vulnerability

Assigner: microsoft
Reserved: 29.07.2026 Published: 08.09.2026 Updated: 08.09.2026

Out-of-bounds read in SQL Server allows an authorized attacker to deny service over a network.

Metrics

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C
CVSS Score: 6.5

Product Status

Vendor Microsoft
Product Microsoft SQL Server 2017 (CU 31)
Versions
  • affected from 14.0.0 to 14.0.3550.4 (excl.)
Vendor Microsoft
Product Microsoft SQL Server 2017 (GDR)
Versions
  • affected from 14.0.0 to 14.0.2130.4 (excl.)
Vendor Microsoft
Product Microsoft SQL Server 2019 (CU 32)
Versions
  • affected from 15.0.0.0 to 15.0.4490.9 (excl.)
Vendor Microsoft
Product Microsoft SQL Server 2019 (GDR)
Versions
  • affected from 15.0.0 to 15.0.2190.7 (excl.)
Vendor Microsoft
Product Microsoft SQL Server 2022 (CU 26)
Versions
  • affected from 16.0.0.0 to 16.0.4275.2 (excl.)
Vendor Microsoft
Product Microsoft SQL Server 2022 (GDR)
Versions
  • affected from 16.0.0 to 16.0.1200.5 (excl.)
Vendor Microsoft
Product Microsoft SQL Server 2025 (CU8)
Versions
  • affected from 17.0.0.0 to 17.0.4085.5 (excl.)
Vendor Microsoft
Product Microsoft SQL Server 2025 for x64-based Systems (GDR)
Versions
  • affected from 17.0.1050.2 to 17.0.1135.8 (excl.)

References

Problem Types