CVE-2026-26148: CWE-454: External Initialization of Trusted Variables or Data Stores in Microsoft Microsoft Azure AD SSH Login extension for Linux
External initialization of trusted variables or data stores in Azure Entra ID allows an unauthorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability (CWE-454) in Microsoft Azure AD SSH Login extension for Linux allows an attacker with local access to externally initialize trusted variables or data stores, leading to privilege escalation. The flaw affects version 1.0.0 of the extension. The CVSS 3.1 vector (AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H) reflects that exploitation requires local access with high attack complexity but no privileges or user interaction, and results in complete compromise of confidentiality, integrity, and availability. The vendor has released a patch to address this issue.
Potential Impact
An unauthorized local attacker can exploit this vulnerability to elevate privileges, potentially gaining full control over the affected system. The impact includes complete compromise of confidentiality, integrity, and availability of the system where the vulnerable extension is installed.
Mitigation Recommendations
A patch is available for this vulnerability. It is recommended to apply the official fix from Microsoft promptly to remediate the issue. Since this is not a cloud service, local patching is required. No additional mitigations are specified.
CVE-2026-26148: CWE-454: External Initialization of Trusted Variables or Data Stores in Microsoft Microsoft Azure AD SSH Login extension for Linux
Description
External initialization of trusted variables or data stores in Azure Entra ID allows an unauthorized attacker to elevate privileges locally.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CWE-454) in Microsoft Azure AD SSH Login extension for Linux allows an attacker with local access to externally initialize trusted variables or data stores, leading to privilege escalation. The flaw affects version 1.0.0 of the extension. The CVSS 3.1 vector (AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H) reflects that exploitation requires local access with high attack complexity but no privileges or user interaction, and results in complete compromise of confidentiality, integrity, and availability. The vendor has released a patch to address this issue.
Potential Impact
An unauthorized local attacker can exploit this vulnerability to elevate privileges, potentially gaining full control over the affected system. The impact includes complete compromise of confidentiality, integrity, and availability of the system where the vulnerable extension is installed.
Mitigation Recommendations
A patch is available for this vulnerability. It is recommended to apply the official fix from Microsoft promptly to remediate the issue. Since this is not a cloud service, local patching is required. No additional mitigations are specified.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-02-11T16:24:51.135Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 69b05632ea502d3aa87d6b68
Added to database: 3/10/2026, 5:34:42 PM
Last enriched: 4/18/2026, 2:17:19 PM
Last updated: 4/28/2026, 7:21:19 AM
Views: 121
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