CVE-2026-105728 Dynamics Business Central Information Disclosure Vulnerability
An unauthorized attacker can bypass authentication to disclose sensitive information in Microsoft Dynamics NAV.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-105728?
CVE-2026-105728 is a high-severity authentication bypass vulnerability in Microsoft Dynamics NAV 2018, published on 13 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Improper authentication in Dynamics Business Central allows an unauthorized attacker to disclose information over a network.
Weakness: CWE-306
Which versions are affected by CVE-2026-105728?
How do I fix CVE-2026-105728?
No fix has been published for CVE-2026-105728 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-105728 being exploited?
There is no known exploitation of CVE-2026-105728 in the wild and no public exploit code.
Sources
Also known as GHSA-5v28-9f55-qxwj.