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Azure Entra ID Elevation of Privilege via External Initialization of Trusted Variables or Data Stores

IdentifiersCVE-2026-26148CWE-454· External Initialization of Trusted…

CVE-2026-26148 is an elevation of privilege vulnerability in Azure Entra ID. According to the provided content, the flaw is caused by external initialization of trusted variables or data stores, corresponding to CWE-454. Microsoft describes the issue as allowing an unauthorized attacker to elevate privileges locally. The available metadata indicates a local attack vector, high attack complexity, no privileges required, no user interaction, and changed scope (CVSS v3.1: AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H). No further public technical detail about the specific vulnerable function, code path, or affected component within Azure Entra ID is provided in the supplied content.

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ANALYST BRIEF

Impact, mitigation & remediation

What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.

Impact

What an attacker gets, and what they’ve been doing with it.

Successful exploitation allows an unauthorized attacker to elevate privileges in the context of Azure Entra ID. The supplied CVSS vector indicates high impact to confidentiality, integrity, and availability, with scope change, implying that exploitation could enable broad compromise beyond the initially vulnerable component. Based on the provided information, the attacker could gain higher-privileged access and potentially affect protected identity-related resources or operations, but the exact post-exploitation capabilities are not further specified in the available content.

Mitigation

If you can’t patch tonight, do this now.

No specific mitigation steps are provided in the supplied content. In the absence of vendor-published mitigations in the provided material, organizations should follow MSRC guidance for CVE-2026-26148 and reduce local attack opportunities where possible by limiting local access to relevant systems, enforcing least privilege, and monitoring for anomalous privilege changes. Additional mitigation details are currently not available from the provided content.

Remediation

Patch, then assume compromise.

Apply Microsoft's security update or service-side remediation for CVE-2026-26148 as provided through the Microsoft Security Response Center guidance for Azure Entra ID. The supplied content does not include product-specific patch versions, rollout details, or tenant actions beyond the MSRC reference, so further remediation specifics are currently not available from the provided material.
PUBLIC EXPLOITS

Exploits

No public exploits tracked yet. Mallory keeps watching.

VALID 0 / 0 TOTALView more in app

No public exploit code observed for this vulnerability.

EXPOSURE SURFACE

Affected products & vendors

Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.

VendorProductType
Microsoft CorporationAzure Ad Ssh Login Extension For Linuxapplication
Microsoft CorporationAzure Ad Ssh Login Extension For Linux (Aadsshlogin)application

Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.

ACTIVITY FEED

Recent activity

7 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.

7 SOURCESView more in app
What this page doesn’t show

The version that knows your environment.

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Exposure mapping

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Threat actor evidence

Every observed campaign linking this CVE to a named adversary.

Associated malware

Malware families riding this exploit, with evidence and IOCs.

Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

Vendor-by-vendor mapping

Cross-references every affected SKU, including bundled OEM variants.

Social activity4

Community discussion across Reddit, Mastodon, and other social sources.

EXTERNAL REFERENCES
MITRE CVE
cve.org · CVE-2026-26148
NVD
nvd.nist.gov/vuln/detail/CVE-2026-26148
MITRE CWE · CWE-454
External Initialization of Trusted Variables…
Vendor Advisory
msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26148