CVE intelligence

CVE-2026-33103

Vulnerability intelligence

Published Apr 14, 2026Sources checked Sep 28, 2026

5.5MEDIUMCVSS out of 10

What this means

Review the available evidence

CVE-2026-33103 and is rated Medium severity with a CVSS score of 5.5. It is not in the current CISA KEV record we collected. That does not prove exploitation has not occurred.

What to do next

Remediation and response

Microsoft Security Response Center guidance

Install KB5078943.

Vendor-listed releases

9.1.0044.0015

CISA KEVNot listedBased on the latest collected catalog

EPSS0.4%Estimated 30-day exploitation probability

Ransomware useNot markedCISA KEV ransomware field

Threat actors0Source-linked actor relationships

Overview

What is CVE-2026-33103?

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