What is the CVSS score of CVE-2026-26148?

CVE-2026-26148 has a CVSS 3.1 base score of 8.1 (High). CVSS vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H. EPSS exploitation probability: 0.1%.

Which versions of Azure Ad Ssh Login Extension For Linux are affected by CVE-2026-26148?

A high-severity vulnerability in Azure Entra ID (CVE-2026-26148) enables unauthorized attackers to escalate privileges on local systems through manipulation of trusted variables.. A patch is available.

How to fix or mitigate CVE-2026-26148?

Within 24 hours: Inventory all systems using Azure Entra ID and assess which handle sensitive workloads; enable enhanced logging for privilege escalation attempts. Within 7 days: Implement network segmentation to restrict lateral movement; enforce multi-factor authentication for all privileged accounts; review recent access logs for suspicious activity. Within 30 days: Deploy endpoint detection and response (EDR) solutions; conduct security assessment of Entra ID configurations; establish monitoring for variable initialization anomalies; prepare emergency patching procedure for when vendor releases fix.

Azure Ad Ssh Login Extension For Linux CVE-2026-26148

HIGH

External Initialization of Trusted Variables or Data Stores (CWE-454)

2026-03-10 secure@microsoft.com

Authentication Bypass Microsoft Azure Ad Ssh Login Extension For Linux

8.1

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.1 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Local

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:55 vuln.today

CVE Published

Mar 10, 2026 - 18:18 nvd

HIGH 8.1

DescriptionCVE.org

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

AnalysisAI

Local privilege escalation in Azure Entra ID SSH Login Extension for Linux stems from improper initialization of trusted variables, enabling unauthenticated attackers on affected systems to gain elevated privileges. This high-severity vulnerability (CVSS 8.1) requires local access but can compromise system confidentiality, integrity, and availability across trust boundaries. No patch is currently available.