Medium severity · published Oct 13, 2026
CVE-2026-88084
Microsoft SQL Server Denial of Service Vulnerability
5.3
CVSS
0.7%
EPSS
No
On KEV
Description
Allocation of resources without limits or throttling in SQL Server allows an authorized attacker to deny service over a network.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 52% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MS
Microsoft SQL Server 2019 (GDR) · Microsoft
15.0.0 before 15.0.2200.2 · source: vendor
MS
Microsoft SQL Server 2019 for x64-based Systems (CU32) · Microsoft
15.0.4003.23 before 15.0.4500.2 · source: vendor
MS
Microsoft SQL Server 2025 (CU8) · Microsoft
All versions, or not specified · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-88084
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-88084
vendor-advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-88084
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