How severe is CVE-2026-48567?

CVE-2026-48567 has a CVSS 3.x base score of 10.0, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.

Is CVE-2026-48567 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-48567?

CVE-2026-48567 affects Microsoft Azure Horizondb. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-48567?

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-2026-48567 have an EU (EUVD) identifier?

Yes. CVE-2026-48567 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-34333.

When was CVE-2026-48567 published?

CVE-2026-48567 was published on 2026-06-04 and last updated on 2026-06-17.

CVE-2026-48567

CVE-2026-48567 is a critical-severity vulnerability in Microsoft Azure Horizondb with a CVSS 3.x base score of 10.0. 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-290.

Key facts

Severity: Critical (CVSS 3.x base score 10.0)
EPSS exploit prediction: 1% (58th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-34333
Weakness: CWE-290
Affected product: Microsoft Azure Horizondb
Published: 2026-06-04
Last modified: 2026-06-17

Description

Authentication bypass by spoofing in Azure HorizonDB allows an unauthorized attacker to elevate privileges over a network.

Frequently asked questions

What is CVE-2026-48567?: Authentication bypass by spoofing in Azure HorizonDB allows an unauthorized attacker to elevate privileges over a network.
How severe is CVE-2026-48567?: CVE-2026-48567 has a CVSS 3.x base score of 10.0, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.
Is CVE-2026-48567 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-48567?: CVE-2026-48567 affects Microsoft Azure Horizondb. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-48567?: 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-2026-48567 have an EU (EUVD) identifier?: Yes. CVE-2026-48567 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-34333.
When was CVE-2026-48567 published?: CVE-2026-48567 was published on 2026-06-04 and last updated on 2026-06-17.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-48567

Affected products (1)

cpe:2.3:a:microsoft:azure_horizondb:-:*:*:*:*:*:*:*

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