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TI-2026-73382 Aliases CVE-2026-105728GHSA-5v28-9f55-qxwj

Improper authentication in Dynamics Business Central leaks information

Priority MEDIUM 41CWE-306Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-306.

Summary

Microsoft Dynamics NAV 2018 from 1.0 before 11.0.50736.0 is affected. Improper authentication (CWE-306) lets an unauthenticated remote attacker over the network disclose information.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

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

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00991 62nd percentileScored 2026-11-07
Fix Fixed Microsoft Dynamics NAV 2018 (Microsoft): 11.0.50736.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
MicrosoftMicrosoft Dynamics NAV 20181.0 to before 11.0.50736.011.0.50736.0Patch availableCNA
  • Microsoft Dynamics NAV 2018 VendorMicrosoft Affected 1.0 to before 11.0.50736.0 Fixed in 11.0.50736.0 Patch available CNA

Remediation

Microsoft Dynamics NAV 2018 is fixed in version 11.0.50736.0.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

  • Fix · CNA Microsoft Dynamics NAV 2018 (Microsoft) Fixed in 11.0.50736.0

Timeline

  1. 2026-10-13 Threatist record created from CVE-2026-105728
  2. 2026-10-13 CISA SSVC decision points changed
  3. 2026-10-13 Priority changed: MEDIUM → LOW
  4. 2026-10-13 Alias added: GHSA-5v28-9f55-qxwj
  5. 2026-10-14 Priority changed: LOW → MEDIUM

References

Patch 1

  • TI-2026-42212 Microsoft SharePoint Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-37256 Microsoft SharePoint Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-26194 Windows Internet Key Exchange (IKE) Service Extensions Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-16982 Microsoft SharePoint Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-36863 Windows Server Update Service (WSUS) Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-33671 Microsoft SharePoint Server Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 9.8
See all 18045 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences