What is CVE-2023-36800?

CVE-2023-36800 is a high-severity vulnerability in Microsoft Dynamics 365, classified under Cross-site Scripting. CVSS score: 7.6/10. Published 2023-09-12.

How severe is CVE-2023-36800?

High severity. CVSS v3 base score is 7.6 out of 10.

XSS in Microsoft Dynamics 365

CVE-2023-36800

Dynamics Finance and Operations Cross-site Scripting Vulnerability

Vulnerability class: XSS (Cross-Site Scripting)

Published 2023-09-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N.

EPSS exploit prediction

EPSS: 0.008 (53.7th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 53.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.008 · change: +0.001

Affected products

Microsoft Dynamics 365
Microsoft Dynamics 365 For Finance And Operations — versions 10.0.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36800 (vendor-advisory, Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2023-36800?: CVE-2023-36800 is a high-severity vulnerability in Microsoft Dynamics 365, classified under Cross-site Scripting. CVSS score: 7.6/10. Published 2023-09-12.
How severe is CVE-2023-36800?: High severity. CVSS v3 base score is 7.6 out of 10.