MSRC-CVE-2026-105494 — Azure NFS mount helper (aznfs) Elevation of Privilege Vulnerability

Summary

Impact: Elevation of Privilege. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

Details

What privileges could be gained by an attacker who successfully exploited the vulnerability?
An attacker who successfully exploited this vulnerability could gain root privileges and execute arbitrary code.

Vulnerabilities 1

High 7.8

CVE-2026-105494

Azure NFS mount helper (aznfs) Elevation of Privilege Vulnerability

Untrusted search path in Azure NFS mount helper (aznfs) allows an authorized attacker to elevate privileges locally.

Microsoft aznfs

Nov 10, 2026

Revision history

2026-11-10 #1
Information published.

References

CVE-2026-105494 Azure NFS mount helper (aznfs) Elevation of Privilege Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-105494
Microsoft Exploitability Index
https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1
Microsoft Support Lifecycle
https://support.microsoft.com/lifecycle
Common Vulnerability Scoring System
https://www.first.org/cvss