---
id: CVE-2026-33103
title: Microsoft Dynamics 365 (On-Premises) Information Disclosure Vulnerability
summary: >-
  Improper access control in Microsoft Dynamics 365 (on-premises) allows an
  authorized attacker to disclose information locally.
severity: medium
cvss: 5.5
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C'
cvssSource: cna
cwe:
  - CWE-284
vendor: Microsoft
product: Microsoft Dynamics 365 (on-premises) version 9.0
affected:
  - dynamics_365_on-premises_version_9.0 >= 9.0.0 < 9.1.0044.0015
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-04-14T19:22:09.783447Z'
published: '2026-04-14'
updated: '2026-09-25'
sourceUpdated: '2026-09-25T17:26:15.240Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-33103'
references:
  - url: 'https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33103'
    label: Microsoft Dynamics 365 (On-Premises) Information Disclosure Vulnerability
tags:
  - cve.org
epss: 0.0035
epssPercentile: 0.25893
ingestedAt: '2026-09-25T18:14:20.414Z'
---

## Overview

Improper access control in Microsoft Dynamics 365 (on-premises) allows an authorized attacker to disclose information locally.

## Affected

- `dynamics_365_on-premises_version_9.0 >= 9.0.0 < 9.1.0044.0015`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.