What is CVE-2023-35621?

CVE-2023-35621 is a high-severity vulnerability in Microsoft Dynamics 365, classified under CWE-799. CVSS score: 7.5/10. Published 2023-12-12.

How severe is CVE-2023-35621?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Microsoft Dynamics 365

CVE-2023-35621

Microsoft Dynamics 365 Finance and Operations Denial of Service Vulnerability

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

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.023 (82.9th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 82.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.023 · newest: 0.023 · change: 0.000

Affected products

Microsoft Dynamics 365 — versions 10.0.37, 10.0.38
Microsoft Dynamics 365 For Finance And Operations — versions 10.0.38, 10.0.37, 10.0.32

Weakness classification (CWE)

CWE-799

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2023-35621 (vendor-advisory, Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2023-35621?: CVE-2023-35621 is a high-severity vulnerability in Microsoft Dynamics 365, classified under CWE-799. CVSS score: 7.5/10. Published 2023-12-12.
How severe is CVE-2023-35621?: High severity. CVSS v3 base score is 7.5 out of 10.