MSRC-CVE-2026-105728 — Dynamics Business Central Information Disclosure Vulnerability

Summary

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

Details

What type of information could be disclosed by this vulnerability?
The type of information that could be disclosed if an attacker successfully exploited this vulnerability includes unauthorized access to the file system, specifically file path information.

Security updates
11.0.50736.0 — https://support.microsoft.com/en-gb/servicing/dynamics/nav/update/2022/12/cumulative-update-60-for-microsoft-dynamics-nav-2018-build-49618

Vulnerabilities 1

High 7.5

CVE-2026-105728

Dynamics Business Central Information Disclosure Vulnerability

Improper authentication in Dynamics Business Central allows an unauthorized attacker to disclose information over a network.

Microsoft Microsoft Dynamics NAV 2018

Oct 13, 2026

Revision history

2026-10-26 #2
Updated an acknowledgement. This is an informational change only.
2026-10-13 #1
Information published.

References

CVE-2026-105728 Dynamics Business Central Information Disclosure Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-105728
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