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

Medium 5.5 Published 14 Apr 2026 Updated 15 Oct 2026

An authorized attacker can exploit improper access controls in Microsoft Dynamics 365 on-premises to disclose sensitive information locally.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-33103?

CVE-2026-33103 is a medium-severity vulnerability in Microsoft Dynamics 365, published on 14 Apr 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

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

Weakness: CWE-284

Which versions are affected by CVE-2026-33103?

It affects 1 product.

Products include Microsoft Dynamics 365.

How do I fix CVE-2026-33103?

No fix has been published for CVE-2026-33103 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-33103 being exploited?

There is no known exploitation of CVE-2026-33103 in the wild and no public exploit code.

All Microsoft Dynamics 365 vulnerabilities

Sources

Also known as GHSA-2xv6-cw52-2cqc.