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CVE-2026-42901— Microsoft Entra ID Elevation of Privilege Vulnerability

CVSS 10.0 · Critical EPSS 0.39% · P31

Affected Version Matrix 1

VendorProductVersion RangeStatus
MicrosoftMicrosoft Entra-affected
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I. Basic Information for CVE-2026-42901

Vulnerability Information
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Vulnerability Title
Microsoft Entra ID Elevation of Privilege Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
Origin validation error in Microsoft Entra ID allows an unauthorized attacker to elevate privileges over a network.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
源验证错误
Source: NVD (National Vulnerability Database)
Vulnerability Title
Microsoft Entra ID 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Entra ID是美国微软（Microsoft）公司的一个基于云的身份和管理解决方案。 Microsoft Entra ID存在访问控制错误漏洞，该漏洞源于来源验证错误，可能导致未经授权的攻击者通过网络提升权限。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
MicrosoftMicrosoft Entra - -

II. Public POCs for CVE-2026-42901

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III. Intelligence Information for CVE-2026-42901

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Vendor Advisories for CVE-2026-42901 (1)

Same Patch Batch · Microsoft · 2026-05-22 · 13 CVEs total

CVE-2026-4110410.0 CRITICALMicrosoft Planetary Computer Pro Information Disclosure Vulnerability
CVE-2026-4728010.0 CRITICALAzure Resource Manager Elevation of Privilege Vulnerability
CVE-2026-2365210.0 CRITICALMicrosoft Power Pages Remote Code Execution Vulnerability
CVE-2026-4041210.0 CRITICALAzure Orbital Spatio Remote Code Execution Vulnerability
CVE-2026-404119.9 CRITICALAzure Virtual Network Gateway Remote Code Execution Vulnerability
CVE-2026-410909.3 CRITICALMicrosoft Copilot Tampering Vulnerability
CVE-2026-338439.1 CRITICALMicrosoft Azure Active Directory B2C Elevation of Privilege Vulnerability
CVE-2026-456598.8 HIGHMicrosoft SharePoint Remote Code Execution Vulnerability
CVE-2026-354308.8 HIGHAzure Privileged Identity Management (PIM) Elevation of Privilege Vulnerability
CVE-2026-261477.7 HIGHAzure Stack HCI Information Disclosure Vulnerability
CVE-2026-236637.5 HIGHMicrosoft Global Secure Access (GSA) Information Disclosure Vulnerability
CVE-2026-428276.5 MEDIUMM365 Copilot Information Disclosure Vulnerability

IV. Related Vulnerabilities

Same product: Microsoft Entra
Same vendor: Microsoft
Same weakness: CWE-346

V. Comments for CVE-2026-42901

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