High MSRC-CVE-2021-40440 1 CVE

Microsoft Dynamics Business Central Cross-site Scripting Vulnerability

Published Sep 14, 2021 · Updated Aug 10, 2026 · Revision 2

Vendor: Microsoft

Summary

Impact: Spoofing. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

Details

Security updates
17.0.29460 — https://support.microsoft.com/en-us/help/5006075
18.0.29486 — https://support.microsoft.com/en-us/help/5006076

Vulnerabilities 1

Medium 5.4

CVE-2021-40440

Microsoft Dynamics Business Central Cross-site Scripting Vulnerability

Microsoft Dynamics Business Central Cross-site Scripting Vulnerability

Microsoft Microsoft Dynamics 365 Business Central 2020 Release Wave 2 – Update 17.10 Microsoft Dynamics 365 Business Central 2021 Release Wave 1 - Update 18.5

Sep 15, 2021

Revision history

2026-08-10 #2
Updated the build numbers. This is an informational update only.
2021-09-14 #1
Information published.

References

CVE-2021-40440 Microsoft Dynamics Business Central Cross-site Scripting Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-40440
Microsoft Exploitability Index
https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1
Microsoft Support Lifecycle
https://support.microsoft.com/lifecycle
Common Vulnerability Scoring System
https://www.first.org/cvss