CVE-2026-47280

CRITICAL
Published May 22, 2026 Modified May 27, 2026 CWE-287

Description

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

CVSS v3.1 Score

10.0
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

EPSS — Exploit Prediction

0.0007
Probability of exploitation
0.20%
Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-287 Improper Authentication

Affected Products

Vendor Product
microsoft azure_resource_manager

References

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. It has a CVSS v3.1 base score of 10.0 (CRITICAL).
How severe is CVE-2026-47280? +
CVE-2026-47280 has a CVSS v3.1 score of 10.0 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately. The EPSS score is 0.0007, placing it in the 0th percentile for exploitation probability.
What products are affected by CVE-2026-47280? +
CVE-2026-47280 affects products from microsoft, specifically: azure_resource_manager. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2026-47280? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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