What is CVE-2026-88084?

CVE-2026-88084 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Microsoft SQL Server Denial of Service Vulnerability

Which CVE IDs does CVE-2026-88084 cover?

CVE-2026-88084 covers the following CVE IDs: CVE-2026-88084. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-88084?

CVE-2026-88084 has a CVSS v3 base score of 5.3, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-88084?

CVE-2026-88084 affects 3 products, including: Microsoft SQL Server 2019 for x64-based Systems (CU32); Microsoft SQL Server 2019 for x64-based Systems (GDR); Microsoft SQL Server 2025 for x64-based Systems (CU8).

CVE-2026-88084HighCVSS 5.3

Microsoft SQL Server Denial of Service Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

October 13, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-88084 →

📋 Description

Allocation of resources without limits or throttling in SQL Server allows an authorized attacker to deny service over a network.

🎯 Affected products3

Microsoft SQL Server 2019 for x64-based Systems (CU32)
Microsoft SQL Server 2019 for x64-based Systems (GDR)
Microsoft SQL Server 2025 for x64-based Systems (CU8)

✅ Remediation

KB5128494 (Security Update) — fixed build 15.0.4500.2 KB5128495 (Security Update) — fixed build 15.0.2200.2

🔗 References (5)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-88084
patchhttps://www.microsoft.com/download/details.aspx?familyid=b86faf06-5605-4095-bbc6-df92fe14509d
referencehttps://support.microsoft.com/help/5128494
patchhttps://www.microsoft.com/download/details.aspx?familyid=74110cdf-6dca-400d-a186-0047a061a1a1
referencehttps://support.microsoft.com/help/5128495