What is CVE-2026-33103?

CVE-2026-33103 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Microsoft Dynamics 365 (On-Premises) Information Disclosure Vulnerability

Which CVE IDs does CVE-2026-33103 cover?

CVE-2026-33103 covers the following CVE IDs: CVE-2026-33103. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-33103?

CVE-2026-33103 has a CVSS v3 base score of 5.5, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-33103?

CVE-2026-33103 affects 1 product, including: Microsoft Dynamics 365 (on-premises) version 9.0.

CVE-2026-33103HighCVSS 5.5

Microsoft Dynamics 365 (On-Premises) Information Disclosure Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

June 2, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-33103 →

📋 Description

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

🎯 Affected products1

Microsoft Dynamics 365 (on-premises) version 9.0

✅ Remediation

KB5078943 (Security Update) — fixed build 9.1.0044.0015

🔗 References (3)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33103
patchhttps://www.microsoft.com/en-us/download/details.aspx?id=108455
referencehttps://support.microsoft.com/help/5078943