How severe is CVE-2026-40412?

CVE-2026-40412 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 high, integrity high, and availability high.

Is CVE-2026-40412 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-40412?

CVE-2026-40412 affects Microsoft Azure Orbital Spatio. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-40412?

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-2026-40412 have an EU (EUVD) identifier?

Yes. CVE-2026-40412 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-31511.

When was CVE-2026-40412 published?

CVE-2026-40412 was published on 2026-05-22 and last updated on 2026-06-17.

CVE-2026-40412

CVE-2026-40412 is a critical-severity vulnerability in Microsoft Azure Orbital Spatio 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-434.

Key facts

Severity: Critical (CVSS 3.x base score 10.0)
EPSS exploit prediction: 1% (41st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-31511
Weakness: CWE-434
Affected product: Microsoft Azure Orbital Spatio
Published: 2026-05-22
Last modified: 2026-06-17

Description

Unrestricted upload of file with dangerous type in Azure Orbital Spatio allows an unauthorized attacker to execute code over a network.

Frequently asked questions

What is CVE-2026-40412?: Unrestricted upload of file with dangerous type in Azure Orbital Spatio allows an unauthorized attacker to execute code over a network.
How severe is CVE-2026-40412?: CVE-2026-40412 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 high, integrity high, and availability high.
Is CVE-2026-40412 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-40412?: CVE-2026-40412 affects Microsoft Azure Orbital Spatio. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-40412?: 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-2026-40412 have an EU (EUVD) identifier?: Yes. CVE-2026-40412 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-31511.
When was CVE-2026-40412 published?: CVE-2026-40412 was published on 2026-05-22 and last updated on 2026-06-17.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40412

Affected products (1)

cpe:2.3:a:microsoft:azure_orbital_spatio:-:*:*:*:*:*:*:*

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