Vulnerability · Published Oct 13, 2026 · Assigned by microsoft
CVE-2026-88084Microsoft SQL Server Denial of Service Vulnerability
Medium 5.3
In plain English
A medium-severity resource allocation without limits in Microsoft SQL Server 2019 for x64-based Systems (CU32) from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 53% of all known vulnerabilities).
Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.7%top 47.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Allocation of resources without limits or throttling in SQL Server allows an authorized attacker to deny service over a network.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Microsoft SQL Server 2019 (GDR) | 15.0.0 – before 15.0.2200.2 |
| Microsoft | Microsoft SQL Server 2019 for x64-based Systems (CU32) | 15.0.4003.23 – before 15.0.4500.2 |
Weakness: CWE-770 · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C
References
- Microsoft SQL Server Denial of Service Vulnerability vendor-advisory, patch