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CVE-2026-83941: CWE-862: Missing Authorization in Microsoft Microsoft Entra

0
Critical
VulnerabilityCVE-2026-83941cvecve-2026-83941cwe-862
Published: 09/08/2026 (09/08/2026, 17:10:36 UTC)
Source: CVE Database V5
Vendor/Project: Microsoft
Product: Microsoft Entra

Description

CVE-2026-83941 is a critical vulnerability in Microsoft Entra involving missing authorization that allows an authorized attacker to elevate privileges over a network. The vulnerability has a high CVSS score of 9.9, indicating severe impact on confidentiality, integrity, and availability. An official fix is available from Microsoft to address this issue.

CVSS v3.1

Score 9.9critical

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
Low
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L/E:U/RL:O/RC:C

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 09/08/2026, 18:07:14 UTC

Technical Analysis

This vulnerability (CWE-862) in Microsoft Entra is caused by missing authorization checks, enabling an attacker with some level of authorization to escalate privileges remotely. The CVSS 3.1 vector indicates network attack vector, low attack complexity, privileges required, no user interaction, and complete compromise of confidentiality, integrity, and partial impact on availability. Microsoft has published an official fix for this vulnerability.

Potential Impact

An attacker with authorized access can exploit this missing authorization flaw to elevate their privileges, potentially gaining full control over affected systems or data. The vulnerability impacts confidentiality, integrity, and availability, making it critical to remediate promptly.

Mitigation Recommendations

An official fix is available from Microsoft. Users and administrators should apply the vendor-provided patch as soon as possible. Refer to the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83941 for detailed remediation instructions.

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Technical Details

Data Version
5.2
Assigner Short Name
microsoft
Date Reserved
2026-08-31T23:40:59.641Z
Cvss Version
3.1
State
PUBLISHED
Remediation Level
official-fix
Vendor Advisory Urls
[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83941","vendor":"Microsoft"}]

Threat ID: 6aa04575acd9273b49fbbb36

Added to database: 09/08/2026, 17:27:17 UTC

Last enriched: 09/08/2026, 18:07:14 UTC

Last updated: 09/08/2026, 18:32:22 UTC

Views: 3

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