How severe is CVE-2026-48584?

CVE-2026-48584 has a CVSS 3.x base score of 9.9, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-48584 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-48584?

CVE-2026-48584 affects Microsoft Azure Synapse. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-48584?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2026-48584 have an EU (EUVD) identifier?

Yes. CVE-2026-48584 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-38088.

When was CVE-2026-48584 published?

CVE-2026-48584 was published on 2026-06-19 and last updated on 2026-06-29.

CVE-2026-48584

CVE-2026-48584 is a critical-severity vulnerability in Microsoft Azure Synapse with a CVSS 3.x base score of 9.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-250.

Key facts

Severity: Critical (CVSS 3.x base score 9.9)
EPSS exploit prediction: 0% (39th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-38088
Weakness: CWE-250
Affected product: Microsoft Azure Synapse
Published: 2026-06-19
Last modified: 2026-06-29

Description

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

Frequently asked questions

What is CVE-2026-48584?: Execution with unnecessary privileges in Azure Synapse allows an authorized attacker to elevate privileges over a network.
How severe is CVE-2026-48584?: CVE-2026-48584 has a CVSS 3.x base score of 9.9, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-48584 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-48584?: CVE-2026-48584 affects Microsoft Azure Synapse. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-48584?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2026-48584 have an EU (EUVD) identifier?: Yes. CVE-2026-48584 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-38088.
When was CVE-2026-48584 published?: CVE-2026-48584 was published on 2026-06-19 and last updated on 2026-06-29.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-48584

Affected products (1)

cpe:2.3:a:microsoft:azure_synapse:-:*:*:*:*:*:*:*

More vulnerabilities in Microsoft Azure Synapse

CVE-2026-26145 — Medium (CVSS 4.8): Improper access control in Azure Synapse allows an authorized attacker to elevate privileges over a network.

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