# CVE-2026-33103: Microsoft Dynamics 365 (On-Premises) Information Disclosure Vulnerability

CVE-2026-33103 is fixed in Microsoft Dynamics 365 (on-premises) version 9.0 on 1 platform by KB5078943 (version ), released May 12, 2026. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2026-33103
- Priority: Routine
- CVSS: 5.5 (Important)
- EPSS: 0.0022
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Vendor exploitability assessment: Exploitation Unlikely
- Published: Apr 14, 2026
- Weakness: Improper Access Control
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33103

## Description

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

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Microsoft | Microsoft Dynamics 365 (on-premises) version 9.0 |  | [KB5078943](https://patchblox.com/security/data/fix/microsoft/kb5078943.md) | May 12, 2026 |

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Data as of 2026-11-08T00:53:09Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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