What is CVE-2026-105727?

CVE-2026-105727 is a high-severity vulnerability in Microsoft Dynamics Nav 2018, classified under Path Traversal. CVSS score: 8.8/10. Published 2026-10-13.

How severe is CVE-2026-105727?

High severity. CVSS v3 base score is 8.8 out of 10.

Path Traversal in Microsoft Dynamics Nav 2018

CVE-2026-105727

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.

Vulnerability class: Path Traversal (Directory Traversal)

Published 2026-10-13 · last modified 2026-10-13.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Microsoft Dynamics Nav 2018

Weakness classification (CWE)

CWE-22 — Path Traversal

References

Microsoft Dynamics 365 Business Central Elevation of Privilege Vulnerability (vendor-advisory, patch)

Frequently asked questions

What is CVE-2026-105727?: CVE-2026-105727 is a high-severity vulnerability in Microsoft Dynamics Nav 2018, classified under Path Traversal. CVSS score: 8.8/10. Published 2026-10-13.
How severe is CVE-2026-105727?: High severity. CVSS v3 base score is 8.8 out of 10.