What’s Vulnerable › Vulnerabilities
CVE-2026-88084: Microsoft SQL Server Denial of Service Vulnerability
- Severity: medium (CVSS 5.3 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.7% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-10-13 · updated 2026-10-31
- Weakness: CWE-770
Description
Allocation of resources without limits or throttling in SQL Server allows an authorized attacker to deny service over a network.
Affected products
- Microsoft SQL Server 2019 for x64-based Systems (CU32): from 15.0.4003.23 before 15.0.4500.2 — fixed in 15.0.4500.2
- Microsoft SQL Server 2019 (GDR): from 15.0.0 before 15.0.2200.2 — fixed in 15.0.2200.2
How to fix
Upgrade to a fixed version: Microsoft SQL Server 2019 for x64-based Systems (CU32) 15.0.4500.2; Microsoft SQL Server 2019 (GDR) 15.0.2200.2. Check the vendor advisory for mitigations.
References
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