CVE-2023-36886 Microsoft Dynamics 365 (on-premises) Cross-site Scripting Vulnerability

High 7.6 Published 12 Sep 2023 Updated 30 Oct 2025

Attackers can inject malicious scripts into Microsoft Dynamics 365 on-premises, potentially executing code or stealing data.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2023-36886?

CVE-2023-36886 is a high-severity cross-site scripting vulnerability in Microsoft Dynamics 365, published on 12 Sep 2023. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

Microsoft Dynamics 365 (on-premises) Cross-site Scripting Vulnerability

Weakness: CWE-79

Which versions are affected by CVE-2023-36886?

It affects 1 product.

Products include Microsoft Dynamics 365.

How do I fix CVE-2023-36886?

No fix has been published for CVE-2023-36886 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2023-36886 being exploited?

There is no known exploitation of CVE-2023-36886 in the wild and no public exploit code.

All Microsoft Dynamics 365 vulnerabilities

Sources

Also known as GHSA-v5q8-jgc9-6m53.