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CVE Vulnerability Details :

CVE-2026-42901

PUBLISHED

More Info Official Page

Assigner-microsoft

Assigner Org ID-f38d906d-7342-40ea-92c1-6c4a2c6478c8

Published At-22 May, 2026 | 22:04

Updated At-23 May, 2026 | 03:19

▼CVE Numbering Authority (CNA)

Microsoft Entra ID Elevation of Privilege Vulnerability

Origin validation error in Microsoft Entra ID allows an unauthorized attacker to elevate privileges over a network.

Affected Products

Vendor

Microsoft Corporation

Product

Microsoft Entra

Versions

Affected

Problem Types

Type	CWE ID	Description
CWE	CWE-346	CWE-346: Origin Validation Error

Type: CWE

CWE ID: CWE-346

Description: CWE-346: Origin Validation Error

Metrics

Version	Base score	Base severity	Vector
3.1	10.0	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C

Version: 3.1

Base score: 10.0

Base severity: CRITICAL

Vector:

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C

References

Hyperlink	Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42901	vendor-advisory patch

Hyperlink: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42901

Resource:

vendor-advisory

patch

▼Authorized Data Publishers (ADP)

CISA ADP Vulnrichment

Affected Products

Affected

Problem Types

Metrics

Metrics Other Info

Impacts

Solutions

Configurations

Workarounds

Exploits

Credits

Timeline

Replaced By

Rejected Reason

References

Affected Products

Metrics

Metrics Other Info

Impacts

Solutions

Configurations

Workarounds

Exploits

Credits

Timeline

Replaced By

Rejected Reason

References