CVE-2026-26148 Microsoft Azure AD SSH Login extension for Linux Elevation of Privilege Vulnerability

High 8.1 Published Updated

An attacker can elevate privileges locally by exploiting external initialization of trusted variables in the Azure AD SSH Login extension.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-26148?

CVE-2026-26148 is a high-severity vulnerability in Microsoft Azure AD SSH Login extension for Linux, published on 10 Mar 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

External initialization of trusted variables or data stores in Azure Entra ID allows an unauthorized attacker to elevate privileges locally.

Weakness: CWE-454

Which versions are affected by CVE-2026-26148?

It affects 1 product.

Products include Microsoft Azure Ad Ssh Login Extension for Linux.

How do I fix CVE-2026-26148?

No fix has been published for CVE-2026-26148 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-26148 being exploited?

There is no known exploitation of CVE-2026-26148 in the wild and no public exploit code.

Sources

Also known as GHSA-qxwj-8xxc-qwm6.

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