Microsoft Azure Resource Manager improper authentication

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
8.5$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Microsoft Azure Resource Manager. Affected is an unknown function. The manipulation results in improper authentication. This vulnerability was named CVE-2026-47280. The attack may be performed from remote. There is no available exploit. This product is a managed service. This means that users cannot maintain vulnerability countermeasures themselves.

Detailsinfo

A vulnerability was found in Microsoft Azure Resource Manager (the affected version unknown). It has been classified as critical. Affected is an unknown part. The manipulation with an unknown input leads to a improper authentication vulnerability. CWE is classifying the issue as CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

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

The advisory is available at msrc.microsoft.com. This vulnerability is traded as CVE-2026-47280 since 05/19/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 05/26/2026).

The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2026-1636). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Affected

  • Microsoft Entra
  • Microsoft Azure

Productinfo

Type

Vendor

Name

License

Managed Service

  • yes

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.6
VulDB Meta Temp Score: 8.5

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 10.0
CNA Vector (microsoft): 🔒

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Status: 🔍

0-Day Time: 🔒

Timelineinfo

05/19/2026 CVE reserved
05/23/2026 +4 days Advisory disclosed
05/23/2026 +0 days VulDB entry created
05/26/2026 +3 days VulDB entry last update

Sourcesinfo

Vendor: microsoft.com

Advisory: msrc.microsoft.com
Status: Confirmed

CVE: CVE-2026-47280 (🔒)
GCVE (CVE): GCVE-0-2026-47280
GCVE (VulDB): GCVE-100-365298
CERT Bund: WID-SEC-2026-1636 - Microsoft Entra ID und Azure Resource Manager: Mehrere Schwachstellen ermöglichen Privilegieneskalation

Entryinfo

Created: 05/23/2026 07:58
Updated: 05/26/2026 15:40
Changes: 05/23/2026 07:58 (62), 05/26/2026 15:40 (7)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Discussion

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