What is CVE-2026-88084?

CVE-2026-88084 is a medium-severity vulnerability in Microsoft SQL Server 2019 For X64-Based Systems (Cu32), classified under Allocation of Resources Without Limits or Throttling. CVSS score: 5.3/10. Published 2026-10-13.

How severe is CVE-2026-88084?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Resource exhaustion in Microsoft SQL Server 2019 For X64-Based Systems (Cu32)

CVE-2026-88084

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

Published 2026-10-13 · last modified 2026-10-13.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-88084 (vendor-advisory, patch)

Frequently asked questions

What is CVE-2026-88084?: CVE-2026-88084 is a medium-severity vulnerability in Microsoft SQL Server 2019 For X64-Based Systems (Cu32), classified under Allocation of Resources Without Limits or Throttling. CVSS score: 5.3/10. Published 2026-10-13.
How severe is CVE-2026-88084?: Medium severity. CVSS v3 base score is 5.3 out of 10.