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CVE-2026-47647: CWE-284: Improper Access Control in Microsoft Microsoft Dynamics 365

0
Critical
VulnerabilityCVE-2026-47647cvecve-2026-47647cwe-284
Published: Thu Jun 18 2026 (06/18/2026, 21:42:40 UTC)
Source: CVE Database V5
Vendor/Project: Microsoft
Product: Microsoft Dynamics 365

Description

CVE-2026-47647 is a critical improper access control vulnerability in Microsoft Dynamics 365 that allows an authorized attacker to elevate privileges over a network. The vulnerability has a CVSS score of 9.9, indicating severe impact on confidentiality, integrity, and availability. Microsoft has released an official fix for this cloud-hosted service. No known exploits are reported in the wild at this time.

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

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 06/18/2026, 22:20:11 UTC

Technical Analysis

This vulnerability in Microsoft Dynamics 365 involves improper access control (CWE-284) that permits an authorized attacker to escalate privileges remotely. The CVSS 3.1 vector indicates network attack vector, low attack complexity, required privileges, no user interaction, and complete impact on confidentiality, integrity, and availability. Microsoft manages remediation for this cloud service and has issued an official fix as per their security advisory.

Potential Impact

An attacker with authorized access to Microsoft Dynamics 365 can exploit this vulnerability to gain elevated privileges, potentially leading to full compromise of the affected system's data and functionality. The vulnerability impacts confidentiality, integrity, and availability at a critical level.

Mitigation Recommendations

Microsoft has provided an official fix for this vulnerability. Since Microsoft Dynamics 365 is a cloud service, the vendor manages remediation server-side. Users and administrators should ensure their service instances are updated according to Microsoft's advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-47647. No additional action is required beyond applying the official fix.

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Technical Details

Data Version
5.2
Assigner Short Name
microsoft
Date Reserved
2026-05-19T20:12:27.071Z
Cvss Version
3.1
State
PUBLISHED
Remediation Level
official-fix
Is Cloud Service
true
Vendor Advisory Urls
[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-47647","vendor":"Microsoft"}]

Threat ID: 6a346bc9f198dc38c1a1cd97

Added to database: 6/18/2026, 10:06:01 PM

Last enriched: 6/18/2026, 10:20:11 PM

Last updated: 6/19/2026, 12:20:39 AM

Views: 9

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