How severe is CVE-2026-47280?

CVE-2026-47280 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-2026-47280 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (41st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-47280?

CVE-2026-47280 affects Microsoft Azure Resource Manager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-47280?

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-2026-47280 have an EU (EUVD) identifier?

Yes. CVE-2026-47280 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-31514.

When was CVE-2026-47280 published?

CVE-2026-47280 was published on 2026-05-22 and last updated on 2026-07-23.

CVE-2026-47280

CVE-2026-47280 is a critical-severity vulnerability in Microsoft Azure Resource Manager 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-287.

Key facts

Severity: Critical (CVSS 3.x base score 10.0)
EPSS exploit prediction: 0% (41st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-31514
Weakness: CWE-287
Affected product: Microsoft Azure Resource Manager
Published: 2026-05-22
Last modified: 2026-07-23

Description

Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a network.

Frequently asked questions

What is CVE-2026-47280?: Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a network.
How severe is CVE-2026-47280?: CVE-2026-47280 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-2026-47280 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-47280?: CVE-2026-47280 affects Microsoft Azure Resource Manager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-47280?: 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-2026-47280 have an EU (EUVD) identifier?: Yes. CVE-2026-47280 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-31514.
When was CVE-2026-47280 published?: CVE-2026-47280 was published on 2026-05-22 and last updated on 2026-07-23.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-47280

Affected products (1)

cpe:2.3:a:microsoft:azure_resource_manager:-:*:*:*:*:*:*:*

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