CVE-2026-94520

CVE-2026-94520 · Microsoft SQL Server Denial of Service Vulnerability

This page contains facts from public vulnerability sources. Check the original advisory before updating.

Use of externally-controlled format string in SQL Server allows an authorized attacker to deny service over a network.

CVSS 4.9 · Medium · EPSS 0.6% · Fix available

Affected products and versions

microsoft sql server 2017 (gdr)
Versions
- ≥ 14.0.0, < 14.0.2140.2: Affected (custom)
Update to 14.0.2140.2
microsoft sql server 2017 for x64-based systems (cu31)
Versions
- ≥ 14.0.3006.16, < 14.0.3560.2: Affected (custom)
Update to 14.0.3560.2
microsoft sql server 2019 (gdr)
Versions
- ≥ 15.0.0, < 15.0.2200.2: Affected (custom)
Update to 15.0.2200.2
microsoft sql server 2019 for x64-based systems (cu32)
Versions
- ≥ 15.0.4003.23, < 15.0.4500.2: Affected (custom)
Update to 15.0.4500.2
microsoft sql server 2022 (gdr)
Versions
- ≥ 16.0.0, < 16.0.1210.3: Affected (custom)
Update to 16.0.1210.3
microsoft sql server 2022 for x64-based systems (cu27)
Versions
- ≥ 16.0.4003.1, < 16.0.4305.5: Affected (custom)
Update to 16.0.4305.5
microsoft sql server 2025 for x64-based systems (cu9)
Versions
- ≥ 17.0.4006.2, < 17.0.5015.4: Affected (custom)
Update to 17.0.5015.4
microsoft sql server 2025 for x64-based systems (gdr)
Versions
- ≥ 17.0.1050.2, < 17.0.1145.4: Affected (custom)
Update to 17.0.1145.4