CVE-2026-70009

Critical CVSS 9.3

Published 2026-09-17 · last changed 2026-09-19

The fix

We hold no Microsoft remediation data for CVE-2026-70009, which normally means it is not a Windows CVE. For non-Microsoft software the fix is the vendor's own updated release, and the affected versions are listed below.

What it is

Improper limitation of a pathname to a restricted directory ('path traversal') in Azure Arc allows an unauthorized attacker to elevate privileges over a network.

Sources

NVD record for CVE-2026-70009

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:N