CVE-2026-102226

High

Description

Improper limitation of a pathname to a restricted directory ('path traversal') in Dynamics Business Central allows an authorized attacker to elevate privileges over a network.

SeverityHigh

CVSS8.8

Exploit probability—

Product

Microsoft Dynamics NAV 2018

PublishedOct 13, 2026

First seenOct 13, 2026

Weakness typeCWE-22Path traversal

How to fix

Update

Microsoft Microsoft Dynamics NAV 201811.0.50736.0 or later

Patches

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-102226

Affected products

Product	Affected versions	Fixed in
Microsoft Microsoft Dynamics NAV 2018	1.0 ≤ v < 11.0.50736.0	11.0.50736.0

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