What is CVE-2026-48584?

CVE-2026-48584 is a critical-severity vulnerability in Microsoft Azure Synapse, classified under CWE-250. CVSS score: 9.9/10. Published 2026-06-19.

How severe is CVE-2026-48584?

Critical severity. CVSS v3 base score is 9.9 out of 10.

Vulnerability in Microsoft Azure Synapse

CVE-2026-48584

Execution with unnecessary privileges in Azure Synapse allows an authorized attacker to elevate privileges over a network.

Published 2026-06-19 · last modified 2026-06-29.

CVSS v3 metric

CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.009 (58.5th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 58.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-250

References

Microsoft Azure Synapse Elevation of Privilege Vulnerability (vendor-advisory, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2026-48584?: CVE-2026-48584 is a critical-severity vulnerability in Microsoft Azure Synapse, classified under CWE-250. CVSS score: 9.9/10. Published 2026-06-19.
How severe is CVE-2026-48584?: Critical severity. CVSS v3 base score is 9.9 out of 10.